Gertjan Ettema
Om
Bakgrunn og aktiviteter
Phd (1990) i bevegelsesvitenskap, VU Univeristy Amsterdam.
Undervisning: Biomekanikk av menneskelig bevegelse (og motorisk kontroll).
Forskning: Biomekanikk og arbeidsfysiologi av motorisk adferd og idrettsprestasjon
Jobber ved Senter for toppidrettsforskning (SenTIF)
Kompetanseord
Publikasjoner
2022
-
Elfmark, Ola;
Ettema, Gertjan;
Gilgien, Matthias.
(2022)
Assessment of the steady glide phase in ski jumping.
Journal of Biomechanics.
volum 139.
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan;
Jølstad, Petter Andre;
Gilgien, Matthias.
(2022)
Kinematic Determination of the Aerial Phase in Ski Jumping.
Sensors.
volum 22 (2).
Vitenskapelig artikkel
-
Ettema, Gertjan;
Haug, Aurora Aasrud;
Ludvigsen, Tonje Pedersen;
Danielsen, Jørgen.
(2022)
The role of stroke rate and intensity on rowing technique.
Sports Biomechanics.
Vitenskapelig artikkel
-
Haugnes, Pål;
Kocbach, Jan;
Kjøsen Talsnes, Rune;
Noordhof, Dionne;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2022)
Race tactics in the heats of a sprint cross-country skiing competition.
2022. ISBN 978-91-89341-93-7.
Vitenskapelig antologi/Konferanseserie
-
Haugnes, Pål;
Kocbach, Jan;
Kjøsen Talsnes, Rune;
Noordhof, Dionne;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2022)
The influence of race tactics for performance in the heats of an international sprint cross-country skiing competition.
PLOS ONE.
volum 17:e0278552 (12).
Vitenskapelig artikkel
2021
-
Baumgart, Julia Kathrin;
Ettema, Gertjan;
Griggs, Katy E.;
Goosey-Tolfrey, Victoria Louise;
Leicht, Christof Andreas.
(2021)
A Reappraisal of Ventilatory Thresholds in Wheelchair Athletes With a Spinal Cord Injury: Do They Really Exist?.
Frontiers in Physiology.
volum 12.
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
McGhie, David Caley Ruud;
Ettema, Gertjan.
(2021)
Mechanical energy and propulsion mechanics in roller-skiing double-poling at increasing speeds.
PLOS ONE.
volum 16 (7).
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan.
(2021)
Aerodynamic investigation of the inrun position in Ski jumping.
Sports Biomechanics.
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan;
Groos, Daniel;
Ihlen, Espen Alexander F.;
Velta, Rune;
Haugen, Per;
Bråten, Steinar;
Gilgien, Matthias.
(2021)
Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation.
Sensors.
volum 21 (16).
Vitenskapelig artikkel
-
Hansen, Linda Marie;
Sandbakk, Øyvind;
Ettema, Gertjan;
Baumgart, Julia Kathrin.
(2021)
Upper- vs. Lower-Body Exercise Performance in Female and Male Cross-Country Skiers.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
-
Noordhof, Dionne;
Danielsson, Marius Lyng;
Skovereng, Knut;
Danielsen, Jørgen;
Seeberg, Trine Margrethe;
Haugnes, Pål;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2021)
The dynamics of the anaerobic energy contribution during a simulated mass-start competition while roller-ski skating on a treadmill.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Haugen, Thomas André;
Ettema, Gerardus Johannes C.
(2021)
The influence of exercise modality on training load management.
International Journal of Sports Physiology and Performance (IJSPP).
volum 16 (4).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Haugen, Thomas André;
Ettema, Gertjan.
(2021)
The influence of exercise modality on training load management.
International Journal of Sports Physiology and Performance (IJSPP).
volum 16 (4).
Short communication
-
Severin, Cecilia;
Danielsen, Jørgen;
Erichsen, Jorgen Falck;
Eikevåg, Sindre Wold;
Steinert, Martin;
Ettema, Gertjan;
Baumgart, Julia Kathrin.
(2021)
Case Report: Adjusting Seat and Backrest Angle Improves Performance in an Elite Paralympic Rower.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
2020
-
Dalen, Terje;
Aune, Tore Kristian;
Hjelde, Geir Håvard;
Ettema, Gertjan;
Sandbakk, Øyvind;
McGhie, David.
(2020)
Player load in male elite soccer: Comparisons of patterns between matches and positions.
PLOS ONE.
volum 15 (9).
Vitenskapelig artikkel
-
Ettema, Gertjan;
Braaten, Steinar;
Danielsen, Jørgen;
Fjeld, Birk Eirik.
(2020)
Imitation jumps in ski jumping: Technical execution and relationship to performance level.
Journal of Sports Sciences.
volum 38 (18).
Vitenskapelig artikkel
-
Kolsung, Erik Borg;
Ettema, Gertjan;
Skovereng, Knut.
(2020)
Physiological Response to Cycling With Variable Versus Constant Power Output.
Frontiers in Physiology.
Vitenskapelig artikkel
-
Luchsinger, Harri Simon;
Kocbach, Jan;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2020)
Contribution from cross-country skiing, start time and shooting components to the overall and isolated biathlon pursuit race performance.
PLOS ONE.
volum 15 (9).
Vitenskapelig artikkel
-
Løkkeborg, Johannes Alnes;
Ettema, Gerardus Johannes C.
(2020)
The role of incline, speed and work rate on the choice of technique in classical roller skiing.
PLOS ONE.
volum 15 (7).
Vitenskapelig artikkel
-
McGhie, David;
Østerås, Sindre;
Ettema, Gertjan;
Paulsen, Gøran;
Sandbakk, Øyvind.
(2020)
Strength Determinants of Jump Height in the Jump Throw Movement in Women Handball Players.
Journal of Strength and Conditioning Research.
volum 34 (10).
Vitenskapelig artikkel
-
Skovereng, Knut;
Aasvold, Lorents Ola;
Ettema, Gertjan.
(2020)
On the effect of changing handgrip position on joint specific power and cycling kinematics in recreational and professional cyclists.
PLOS ONE.
volum 15 (8).
Vitenskapelig artikkel
2019
-
Aasvold, Lorents Ola;
Ettema, Gertjan;
Skovereng, Knut.
(2019)
Joint specific power production in cycling: The effect of cadence and intensity.
PLOS ONE.
volum 14 (2).
Vitenskapelig artikkel
-
Almquist, Nicki Winfield;
Ettema, Gertjan;
Hopker, James;
Sandbakk, Øyvind;
Rønnestad, Bent.
(2019)
The Effect of 30-Second Sprints During Prolonged Exercise on Gross Efficiency, Electromyography, and Pedaling Technique in Elite Cyclists.
International Journal of Sports Physiology and Performance (IJSPP).
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
McGhie, David;
Ettema, Gertjan.
(2019)
Mechanical energetics and dynamics of uphill double-poling on roller-skis at different incline-speed combinations.
PLOS ONE.
volum 14 (2).
Vitenskapelig artikkel
-
Ettema, Gertjan;
McGhie, David.
(2019)
Biomekanikk og bevegelse.
Idrettsvitenskap : perspektiver og praksis.
Faglig kapittel
-
Haugen, Thomas André;
McGhie, David;
Ettema, Gertjan.
(2019)
Sprint running: from fundamental mechanics to practice -a review.
European Journal of Applied Physiology.
volum 119 (6).
Vitenskapelig oversiktsartikkel/review
-
Haugnes, Pål;
Kocbach, Jan;
Luchsinger, Harri;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
The Interval-Based Physiological and Mechanical Demands of Cross-Country Ski Training.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (10).
Vitenskapelig artikkel
-
Luchsinger, Harri;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
The Contribution From Cross-Country Skiing and Shooting Variables on Performance Level and Sex Differences in Biathlon World Cup Individual Races.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (2).
Vitenskapelig artikkel
-
McGhie, David;
Sandbakk, Øyvind;
Østerås, Sindre;
Ettema, Gertjan.
(2019)
Is There a Trade-Off Between Maximum Jumping and Throwing Capability in the Handball Jump Throw?.
Sage Open.
volum 9 (3).
Vitenskapelig artikkel
-
Rasdal, Vegard Finserås;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
Concurrent optimization of two extremes: performance, physiological, and training characteristics of world class Nordic combined athletes.
2019. ISBN 978-82-326-3871-0.
Doktorgradsavhandling
-
Sandbakk, Øyvind;
Ettema, Gertjan;
Torvik, Per Øyvind;
McGawley, Kerry.
(2019)
Nordic Winter Sports Conference.
Nordic Winter Sports Conference
[Kunstnerisk og museal presentasjon] . NTNU, Nord Universitet, Mittuniversitetet; Meråker. 2019-05-09 - 2019-05-10.
Annen presentasjon
2018
-
Baumgart, Julia Kathrin;
Gurtler, Laura;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Comparison of peak oxygen uptake and exercise efficiency between upper-body poling and arm crank ergometry in trained paraplegic and able-bodied participants.
European Journal of Applied Physiology.
volum 118 (9).
Vitenskapelig artikkel
-
Baumgart, Julia Kathrin;
Moes, Maaike;
Skovereng, Knut;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Examination of gas exchange and blood lactate thresholds in Paralympic athletes during upper-body poling.
PLOS ONE.
volum 13 (10).
Vitenskapelig artikkel
-
Bolger, Conor;
Bessone, Veronica;
Federolf, Peter Andreas;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
The influence of increased distal loading on metabolic cost, efficiency, and kinematics of roller ski skating.
PLOS ONE.
volum 13 (5).
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Energetics and dynamics of double poling cross-country skiing.
2018. ISBN 978-82-326-3518-4.
Doktorgradsavhandling
-
Ettema, Gertjan;
Øksnes, Magne;
Kveli, Espen;
Sandbakk, Øyvind.
(2018)
The effect of exhaustive exercise on the choice of technique and physiological response in classical roller skiing.
European Journal of Applied Physiology.
volum 118 (11).
Vitenskapelig artikkel
-
Haugen, Thomas André;
Danielsen, Jørgen;
Alnes, Leif Olav;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2018)
On the importance of “front-side mechanics” in athletics sprinting.
International Journal of Sports Physiology and Performance (IJSPP).
volum 13 (4).
Vitenskapelig artikkel
-
Haugnes, Pål;
Torvik, Per Øyvind;
Ettema, Gertjan;
Kocbach, Jan;
Sandbakk, Øyvind.
(2018)
The Effect of Maximal Speed Ability, Pacing Strategy and Technique on the Finish-Sprint of a Sprint Cross-Country Skiing Competition.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (6).
Vitenskapelig artikkel
-
Luchsinger, Harri;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Comparison of the Effects of Performance Level and Sex on Sprint Performance in the Biathlon World Cup.
International Journal of Sports Physiology and Performance (IJSPP).
volum 13 (3).
Vitenskapelig artikkel
2017
-
Dahl, Christine;
Sandbakk, Øyvind;
Danielsen, Jørgen;
Ettema, Gertjan.
(2017)
The role of power fluctuations in the preference of diagonal vs. double poling sub-technique at different incline-speed combinations in elite cross-country skiers.
Frontiers in Physiology.
volum 8.
Vitenskapelig artikkel
-
Danielsen, Jørgen;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2017)
The effect of exercise intensity on joint power and dynamics in ergometer double-poling performed by cross-country skiers.
Human Movement Science.
volum 57.
Vitenskapelig oversiktsartikkel/review
-
Ettema, Gertjan;
Kveli, Espen;
Øksnes, Magne;
Sandbakk, Øyvind.
(2017)
The role of speed and incline in the spontaneous choice of technique in classical roller-skiing.
Human Movement Science.
volum 55.
Vitenskapelig artikkel
-
Haugen, Thomas;
Danielsen, Jørgen;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2017)
Kinematic stride cycle asymmetry is not associated with sprint performance and injury prevalence in athletic sprinters.
Scandinavian Journal of Medicine & Science in Sports.
volum 28 (3).
Vitenskapelig artikkel
-
Haugnes, Pål;
Kocbach, Jan;
Torvik, Per Øyvind;
Ekren, Thomas;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2017)
How fast are cross-country skiers in the finish-sprint during a sprint competition? Book of Abstracts: "Performance in snow sports: Translating science into practice".
2017.
Rapport
-
Rasdal, Vegard;
Fudel, Ronny;
Kocbach, Jan;
Moen, Frode;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2017)
Association between laboratory capacities and world-cup performance in Nordic combined.
PLOS ONE.
volum 12 (6).
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gertjan;
Van Beekvelt, Mireille.
(2017)
The effect of cadence on shank muscle oxygen consumption and deoxygenation in relation to joint specific power and cycling kinematics.
PLOS ONE.
volum 12:e0169573 (1).
Vitenskapelig artikkel
-
Vandbakk, Kristine;
Welde, Boye;
Kruken, Andrea Hovstein;
Baumgart, Julia Kathrin;
Ettema, Gertjan;
Karlsen, Trine;
Sandbakk, Øyvind.
(2017)
Effects of upper-body sprint-interval training on strength and endurance capacities in female cross-country skiers.
PLOS ONE.
volum 12 (2).
Vitenskapelig artikkel
2016
-
Aune, Tore Kristian;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2016)
Bilateral asymmetry in upper extremities is More pronounced in distal compared to proximal joints.
Journal of Motor Behavior.
volum 48 (2).
Vitenskapelig artikkel
-
Bolger, Conor;
Sandbakk, Øyvind;
Ettema, Gertjan;
Federolf, Peter Andreas.
(2016)
How hinge positioning in cross-country ski bindings affect exercise efficiency, cycle characteristics and muscle coordination during submaximal roller skiing.
PLOS ONE.
volum 11 (5).
Vitenskapelig artikkel
-
Dalen, Terje;
Ingebrigtsen, Jørgen;
Ettema, Gerardus Johannes C;
Hjelde, Geir Håvard;
Wisløff, Ulrik.
(2016)
Player load, acceleration, and deceleration during forty-five competitive matches of elite soccer.
Journal of Strength and Conditioning Research.
volum 30 (2).
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2016)
Mechanical energy and work in treadmill double poling on roller skis.
International congress on science and skiing - Book of Abstracts.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Hooiveld, Jo;
Braaten, Steinar;
Boobert, Maarten.
(2016)
How do elite ski jumpers handle the dynamic conditions in imitation jumps?.
Journal of Sports Sciences.
volum 34 (11).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
McGhie, David;
Danielsen, Jørgen;
Sandbakk, Øyvind;
Haugen, Thomas André.
(2016)
On the existence of step-to-step breakpoint transitions in accelerated sprinting.
PLOS ONE.
volum 11 (7).
Vitenskapelig artikkel
-
Haugnes, Pål;
Kocbach, Jan;
Luchsinger, Harri;
Munkebye, Øyvind;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2016)
Heart rate profiles, external work rate and kinematics when ski skating on varying terrain during low-, moderate-, and high-intensity endurance training.
2016. ISBN 978-3-200-04885-0. Book of abstracts: 7th International congress on science and skiing. (1).
Vitenskapelig antologi/Konferanseserie
-
Luchsinger, Harri;
Sandbakk, Øyvind;
Schubert, Michael;
Ettema, Gerardus Johannes C;
Baumeister, Jochen.
(2016)
A Comparison of Frontal Theta Activity During Shooting among Biathletes and Cross-Country Skiers before and after Vigorous Exercise.
PLOS ONE.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Rasdal, Vegard;
Bråten, Steinar;
Moen, Frode;
Ettema, Gerardus Johannes C.
(2016)
How do world-class Nordic Combined athletes differ from specialized cross-country skiers and ski jumpers in sport-specific capacity and training characteristics?.
International Journal of Sports Physiology and Performance (IJSPP).
volum 11 (7).
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Van Beekvelt, Mireille.
(2016)
Local muscle oxygen consumption related to external and joint specific power.
Human Movement Science.
volum 45.
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Van Beekvelt, Mireille.
(2016)
Oxygenation, local muscle oxygen consumption and joint specific power in cycling: the effect of cadence at a constant external work rate.
European Journal of Applied Physiology.
volum 116 (6).
Vitenskapelig artikkel
-
Østerås, Sindre;
Welde, Boye;
Danielsen, Jørgen;
van den Tillaar, Roland;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2016)
Contribution of upper-body strength, body composition, and maximal oxygen uptake to predict double poling power and overall performance in female cross-country skiers.
Journal of Strength and Conditioning Research.
volum 30 (9).
Vitenskapelig artikkel
2015
-
Bucher, Elias;
Danielsen, Jørgen;
Hegge, Ann Magdalen;
Faude, Oliver;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2015)
Technique differences between male and female cross-country skiers while whole body, upper body and arm poling on a ski ergometer.
20th annual Congress of the EUROPEAN COLLEGE OF SPORT SCIENCE 24th - 27th June 2015, Malmö – Sweden BOOK OF ABSTRACTS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Ettema, Gerardus Johannes C.
(2015)
Mechanical Energy and Propulsion in Ergometer Double Poling by Cross-country Skiers.
Medicine & Science in Sports & Exercise.
volum 47 (12).
Vitenskapelig artikkel
-
Hegge, Ann Magdalen;
Bucher, E;
Ettema, Gerardus Johannes C;
Faude, Oliver;
Holmberg, Hans-Christer;
Sandbakk, Øyvind.
(2015)
Gender differences in power production, energetic capacity and efficiency of elite cross-country skiers during whole-body, upper-body, and arm poling.
European Journal of Applied Physiology.
volum 116 (2).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Skålvik, Tommy Fredriksen;
Spencer, Matthew;
Van Beekvelt, Mireille;
Welde, Boye;
Hegge, Ann Magdalen;
Gjøvaag, Terje;
Ettema, Gerardus Johannes C.
(2015)
The physiological responses to repeated upper-body sprint exercise in highly trained athletes.
European Journal of Applied Physiology.
volum 115 (6).
Vitenskapelig artikkel
2014
-
Andersson, E.;
Stöggl, T;
Pellegrini, B.;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2014)
Biomechanical analysis of the herringbone technique as employed by elite cross-country skiers.
Scandinavian Journal of Medicine & Science in Sports.
volum 24 (3).
Vitenskapelig artikkel
-
Bolger, Conor;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Federolf, Peter Andreas.
(2014)
Does the Position of the Hinge in Cross-country Ski Bindings Affect Muscle Activation in Skating?.
Proceedings of the 2nd International Congress on Sports Sciences and Technology Support (icSports-2014).
Annet
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C.
(2014)
Joint-specific power contribution at increasing double poling intensities.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
Efficiency in endurance exercise: efficiency of what.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Grasaas, Christina Åsan;
Ettema, Gertja;
Hegge, Ann Magdalen H. S.;
Skovereng, Knut;
Sandbakk, Øyvind.
(2014)
Changes in Technique and Efficiency After High-Intensity Exercise in Cross-Country Skiers.
International Journal of Sports Physiology and Performance (IJSPP).
volum 9 (1).
Vitenskapelig artikkel
-
Grasaas, Erik;
Hegge, Ann Magdalen;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
The effects of poling on physiological, kinematic and kinetic responses in roller ski skating.
European Journal of Applied Physiology.
volum 114 (9).
Vitenskapelig artikkel
-
Hegge, Ann Magdalen;
Bucher, E;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
Comparison of arm, upper body and whole body double poling in female and male cross-country skiers.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hegge, Ann Magdalen;
Ettema, Gerardus Johannes C;
de Koning, Jos;
Rognstad, Asgeir Bakken;
Hoset, Martin;
Sandbakk, Øyvind.
(2014)
The effects of the arm swing on biomechanical and physiological aspects of roller ski skating.
Human Movement Science.
volum 36.
Vitenskapelig artikkel
-
Hoset, Martin;
Rognstad, Asgeir Bakken;
Rølvåg, Terje;
Ettema, Gertja;
Sandbakk, Øyvind.
(2014)
Construction of an instrumented roller ski and validation of three-dimensional forces in the skating technique.
Sports Engineering.
volum 17 (1).
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gertja.
(2014)
On the "trench effect" theory: A biomechanical analysis of the relationship between traction and shoe orientation on third-generation artificial turf.
Footwear Science.
volum 6 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2014)
Gender differences in endurance performance by elite cross-country skiers are influenced by the contribution from poling.
Scandinavian Journal of Medicine & Science in Sports.
volum 24 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Hansen, Mads;
Ettema, Gerardus Johannes C;
Rønnestad, Bent.
(2014)
The effects of heavy upper-body strength training on ice sledge hockey sprint abilities in world class players.
Human Movement Science.
volum 38.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Ettema, Gerardus Johannes C.
(2014)
The role of gross mechanical efficiency in endurance sports.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2014)
The physiological and biomechanical differences between double poling and G3 skating in world class cross-country skiers.
European Journal of Applied Physiology.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Spencer, Matthew;
Ettema, Gerardus Johannes C;
Bucher, Silvana Andrea;
Skovereng, Knut;
Welde, Boye.
(2014)
The Physiology and Biomechanics of Upper-Body Repeated Sprints in Ice Sledge Hockey.
International Journal of Sports Physiology and Performance (IJSPP).
volum 9 (1).
Vitenskapelig artikkel
-
Skovereng, Knut;
Van Beekvelt, Mireille;
Ettema, Gerardus Johannes C.
(2014)
The effect of cadence on hip, knee and ankle contribution during cycling exercise.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2013
-
Aune, Tore Kristian;
Aune, Morten Andreas;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2013)
Comparison of bilateral force deficit in proximal and distal joints in upper extremities.
Human Movement Science.
volum 32 (3).
Vitenskapelig artikkel
-
Bardal, Ellen Marie;
Olsen, Trond Vegar;
Ettema, Gerardus Johannes C;
Mork, Paul Jarle.
(2013)
Metabolic rate, cardiac response, and aerobic capacity in fibromyalgia: A case-control study.
Scandinavian Journal of Rheumatology.
volum 42 (5).
Vitenskapelig artikkel
-
Ettema, Gertja;
Skålvik, Tommy;
Spencer, Matthew;
Sandbakk, Øyvind.
(2013)
Performance and coordination in repeated sprint exercise for the upper body.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Leirdal, Stig;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C.
(2013)
Effects of frequency on gross efficiency and performance in roller ski skating.
Scandinavian Journal of Medicine & Science in Sports.
volum 23 (3).
Vitenskapelig artikkel
-
Mcghie, David Caley Ruud;
Ettema, Gerardus Johannes C.
(2013)
Biomechanical analysis of traction at the shoe-surface interface on third-generation artificial turf.
Sports Engineering.
volum 16 (2).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Bucher Sandbakk, Silvana;
Ettema, Gerardus Johannes C;
Welde, Boye.
(2013)
Effects of Intensity and Duration in Aerobic High-Intensity Interval Training in Highly Trained Junior Cross-Country Skiers.
Journal of Strength and Conditioning Research.
volum 27 (7).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2013)
The physiological and biomechanical contributions of poling to roller ski skating.
European Journal of Applied Physiology.
volum 113 (8).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Hansen, Mads;
Rønnestad, Bent;
Ettema, Gertjan.
(2013)
Effects of heavy strength training on upper-body strength, power and sprint performance in ice sledge hockey.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Hegge, Ann Magdalen H. S.;
Ettema, Gertjan.
(2013)
The role of incline, performance level and gender on the gross mechanical efficiency of roller ski skating.
Frontiers in Physiology.
volum 4.
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Welde, Boye;
Sandbakk, Øyvind.
(2013)
On the relationship between upper-body strength, power and sprint performance in ice sledge hockey.
Journal of Strength and Conditioning Research.
volum 27 (12).
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gertja;
Beekvelt, Mireille V.;
Sandbakk, Øyvind.
(2013)
Pulmonary oxygen consumption and oxygenation of upper-body muscles during isolated upper body poling at different exercise intensities.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Supej, Matej;
Sætran, Lars Roar;
Oggiano, Luca;
Ettema, Gerardus Johannes C;
Sarabon, N;
Nemec, B;
Holmberg, H.C..
(2013)
Aerodynamic drag is not the major determinant of performance during giant slalom skiing at the elite level.
Scandinavian Journal of Medicine & Science in Sports.
volum 23 (1).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Ettema, Gertja.
(2013)
A Comparison of Muscle Activity in Concentric and Counter Movement Maximum Bench Press.
The Journal of Human Kinetics.
volum 38.
Vitenskapelig artikkel
2012
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2012)
Cycling.
Encyclopedia of Exercise Medicine in Health and Disease.
Leksikalsk innførsel
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2012)
Biomechanical Analysis of Surface-Athlete Impacts on Third-Generation Artificial Turf.
American Journal of Sports Medicine.
volum 41 (1).
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2012)
Biomechanical analysis of traction at the shoe-surface interface on third generation artificial turf.
Procedia Engineering.
volum 34.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Bucher Sandbakk, Silvana;
Ettema, Gerardus Johannes C;
Welde, Boye.
(2012)
Effects of intensity and duration in aerobic high-intensity interval training.
2nd International Congress of Science and Nordic Skiing. Congress Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2012)
Efficiency in cross-country skiing. A brief review.
Science and Skiing V.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2012)
The influence of incline and speed on work rate, gross efficiency and kinematics of roller ski skating.
European Journal of Applied Physiology.
volum 112 (8).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, HC.
(2012)
The contribution from poling increases gender differences in elite cross-country skiers.
2nd International Congress of Science and Nordic Skiing. Congress Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Holmberg, Hans-Christer.
(2012)
Gender differences in the physiological responses and kinematic behaviour of elite sprint cross-country skiers.
European Journal of Applied Physiology.
volum 112 (3).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Sandbakk, Silvana Bucher;
Skovereng, Knut;
Welde, Boye;
Ettema, Gerardus Johannes C.
(2012)
The Physiology of World Class Sledge Ice-Hockey.
17th annual Congress of the ECSS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Welde, Boye;
Sandbakk, Øyvind.
(2012)
Relationships between Upper-Body Maximal Strength, Power and Sprint Performance in Sledge Ice-Hockey.
17th annual Congress of the ECSS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Supej, Matej;
Oggiano, Luca;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2012)
Differences in air drag among elite male alpine skiers.
Science and Skiing V.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
van den Tillaar, Roland;
Sæterbakken, Atle;
Ettema, Gerardus Johannes C.
(2012)
Is the occurrence of the sticking region the result of diminishing potentiation in bench press?.
Journal of Sports Sciences.
volum 30 (6).
Vitenskapelig artikkel
2011
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind;
Leirdal, Stig.
(2011)
Maximal aerobic capacity and efficiency in world class sprint skiers using the double poling and G3 skating technique.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
Pedaling Technique and Energy Cost in Cycling.
Medicine & Science in Sports & Exercise.
volum 43 (4).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
The relationship between cadence, pedaling technique and gross efficiency in cycling.
European Journal of Applied Physiology.
volum 111 (12).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
Pedaling technique and energy cost in cycling.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2011)
The effect of cadence on timing of muscle activation and mechanical output in cycling: On the activation dynamics hypothesis.
Journal of Electromyography & Kinesiology.
volum 21 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2011)
Effects of Speed and Slope on Ski Skating Efficiency and Kinematics.
Medicine & Science in Sports & Exercise.
volum 43 (5).
Sammendrag/abstract
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Jakobsen, Vidar Eivind;
Holmberg, Hans-Christer.
(2011)
Analysis of a sprint ski race and associated laboratory determinants of world-class performance.
European Journal of Applied Physiology.
volum 111 (6).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Løkke, Trine Beate;
Holmberg, Hans-Christer.
(2011)
The impact of pole propulsion on kinematics and fatigue in roller ski skating.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
The physiology of world-class sprint skiers.
Scandinavian Journal of Medicine & Science in Sports.
volum 21 (6).
Vitenskapelig artikkel
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2011)
Effects of age, task, and frequency on variability of finger tapping.
Perceptual and Motor Skills.
volum 113 (2).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2011)
A comparison of kinematics between overarm throwing with 20% underweight, regular, and 20% overweight balls.
Journal of Applied Biomechanics.
volum 27 (3).
Vitenskapelig artikkel
2010
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Holmberg, Hans-Christer.
(2010)
Physiological gender differences associated with sprint skiing performance.
Abstract Book of the 5th International Congress on Science and Skiing.
Annet
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2010)
Metabolic rate and gross efficiency at high work rates in world class and national level sprint skiers.
European Journal of Applied Physiology.
volum 109 (3).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2010)
Effect of frequency in roller ski skating.
Abstract Book of the 5th International Congress on Science and Skiing.
Annet
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C.
(2010)
The effect of gender and training experience on body segments' contributions in overarm throwing.
International Journal of Sport Psychology.
volum 41.
Sammendrag/abstract
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2010)
The "sticking period" in a maximum bench press.
Journal of Sports Sciences.
volum 28 (5).
Vitenskapelig artikkel
2009
-
Ettema, Gerardus Johannes C.
(2009)
Inertial loading in level and uphill cycling.
11th International Conference of Sport Kinetics.
Annet
-
Ettema, Gerardus Johannes C;
Lorås, Håvard Wuttudal.
(2009)
Efficiency in cycling: a review.
European Journal of Applied Physiology.
volum 106 (1).
Vitenskapelig oversiktsartikkel/review
-
Ettema, Gerardus Johannes C;
Lorås, Håvard Wuttudal;
Leirdal, Stig.
(2009)
The effects of cycling cadence on the phases of joint power, crank power, force and force effectiveness.
Journal of Electromyography & Kinesiology.
volum 19 (2).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
McGhie, David;
Olsen, Kristian Killi;
Lillemark, Kristian.
(2009)
The effect of body orientation om cycling technique.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind;
Leirdal, Stig;
Holmberg, HC.
(2009)
Efficiency at high work rates in world class skiers.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
Freely chosen pedal rate during free cycling on a roller and ergometer cycling.
European Journal of Applied Physiology.
volum 106 (6).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
Freely chosen cadence and gross efficiently during ergometer and free bicycling.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
On the relationship between gross efficiency and force effectiveness during ergometer cycling.
11th International Conference of Sport Kinetics.
Annet
-
Leirdal, Stig;
Sandbakk, Øyvind;
Holmberg, HC;
Ettema, Gerardus Johannes C.
(2009)
Sub-maximal efficiency during roller ski skating.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Lorås, Håvard Wuttudal;
Ettema, Gerardus Johannes C;
Leirdal, Stig.
(2009)
The Muscle Force Component in Pedaling Retains Constant Direction Across Pedaling Rates.
Journal of Applied Biomechanics.
volum 25 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Leirdal, Stig;
Holmberg, HC;
Ettema, Gerardus Johannes C.
(2009)
The physiology of world class sprint skiers.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
A Comparison of Successful and Unsuccessful Attempts in Maximal Bench Pressing.
Medicine & Science in Sports & Exercise.
volum 41 (11).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
A comparison of overarm throwing with the dominant and nondominant arm in experienced team handball players.
Perceptual and Motor Skills.
volum 109 (1).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
Is there a proximal-to-distal sequence in overarm throwing in team handball?.
Journal of Sports Sciences.
volum 27 (9).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2009)
Acomparison of successful and unsuccessful attempts in 1RM bench press.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
2008
-
Aune, Tore Kristian;
Ingvaldsen, Rolf Petter;
Ettema, Gerardus Johannes C.
(2008)
Effect of physical fatigue on motor control at different skill levels.
Perceptual and Motor Skills.
volum 106.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Gløsen, Tommy;
Tillaar, Roland van den.
(2008)
Effect of specific strength training on overarm throwing performance.
International Journal of Sports Physiology and Performance (IJSPP).
volum 3.
Vitenskapelig artikkel
-
Leirdal, Stig;
Roeleveld, Karin;
Ettema, Gerardus Johannes C.
(2008)
Coordination Specificity in Strength and Power Training.
International Journal of Sports Medicine (IJSM).
volum 29.
Vitenskapelig artikkel
-
Oggiano, Luca;
Sætran, Lars Roar;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2008)
Aerodynamic optimization and energy saving of cycling postures for international elite level cyclists.
The Engineeeing of Sport 7.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2007
-
Ettema, Gerardus Johannes C;
Bråten, Steinar.
(2007)
On the role of the location of centre of mass in ski jumping.
Science and nordic skiing.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Hooiveld, Jo;
Bråten, Steinar;
Bobbert, Maarten F.
(2007)
The possible use of horizontal propulsion in imitation ski jumps.
4th International Congress on Science and Skiing.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Holtermann, Andreas;
Roeleveld, Karin;
Vereijken, Beatrix;
Ettema, Gerardus Johannes C.
(2007)
The effect of rate of force development on maximal force production: acute and training-related aspects.
European Journal of Applied Physiology.
volum 99.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2007)
A three-dimensional analysis of overarm throwing in experienced handball players.
Journal of Applied Biomechanics.
volum 23 (1).
Vitenskapelig artikkel
2006
-
Ettema, Gerardus Johannes C.
(2006)
On the proximal-distal sequence in explosive actions: the role of transfer of momentum.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C.
(2006)
A comparison of male throwing athletes and unskilled males when performing an overarm throwing task.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
A comparison of kinematics between novices and experts in overarm throwing under influence of type of instruction.
Perceptual and Motor Skills.
volum 103.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
The sticking point in bench pressing.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Bråten, Steinar.
(2006)
On the role of the location of centre of mass in ski jumping.
International Congress on Science and Nordic Skiing, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Kristensen, Geir Olav;
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
Velocity Specificity in Early-Phase Sprint Training.
Journal of Strength and Conditioning Research.
volum 20 (4).
Vitenskapelig artikkel
-
Leirdal, Stig;
Sætran, Lars Roar;
Roeleveld, Karin;
Vereijken, Beatrix;
Bråten, Steinar;
Bråten, Steinar;
Løset, Sveinung;
Holtermann, Andreas;
Ettema, Gerardus Johannes C.
(2006)
Effects of Body Position on Slide Boarding Performance by Cross-Country Skiers.
Medicine & Science in Sports & Exercise.
volum 38 (8).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
A comparison of performance and kinematics in throwing with the dominant and non-dominant arm in handball players.
The XXIV International Symposium on Biomechanics in Sports.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2005
-
Ettema, Gerardus Johannes C;
Braten, S;
Bobbert, MF.
(2005)
Dynamics of the in-run in ski jumping: A simulation study.
Journal of Applied Biomechanics.
volum 21.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Taylor, E;
North, JD;
Kippers, V.
(2005)
Muscle synergies at the elbow in static and oscillating isometric torque tasks with dual degrees of freedom.
Motor Control.
volum 9.
Vitenskapelig artikkel
-
Holtermann, Andreas;
Roeleveld, Karin;
Vereijken, Beatrix;
Ettema, Gerardus Johannes C.
(2005)
Changes in agonist EMG activation level during MVC cannot explain early strength improvement.
European Journal of Applied Physiology.
volum 94 (5-6).
Vitenskapelig artikkel
2004
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2004)
A force velocity relationship and coordination patterns in overarm throwing.
Journal of Sports Science and Medicine.
volum 3.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2004)
Effect of body size and gender in overarm throwing performance.
European Journal of Applied Physiology.
volum 91.
Vitenskapelig artikkel
-
van den Tillaar, R;
Ettema, Gerardus Johannes C.
(2004)
Effect of body size and gender in overarm throwing performance.
European Journal of Applied Physiology.
volum 91.
Vitenskapelig artikkel
2003
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2003)
Utholdenhet: Energifrigjøring, prestasjonsfaktorer, trening, tilpasninger og testing. Pensum Topptrenerstudiet Olympiatoppen-NTNU.
2003.
Kompendium
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2003)
Effects of instruction, emphasizing on velocity, accuracy or both on the performance and kinematics in overarm throwing.
Perceptual and Motor Skills.
volum 97.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2003)
Influence of instruction on velocity and accuracy of overarm throwing.
Perceptual and Motor Skills.
volum 96.
Vitenskapelig artikkel
-
van den Tillaar, R;
Ettema, Gerardus Johannes C.
(2003)
Instructions emphasizing velocity, accuracy, or both in performance and kinematics of overarm throwing by experienced team handball players.
Perceptual and Motor Skills.
volum 97.
Vitenskapelig artikkel
2002
-
Ettema, Gerardus Johannes C.
(2002)
Effects of contraction history on control and stability in explosive actions.
Journal of Electromyography & Kinesiology.
volum 12.
Vitenskapelig artikkel
-
Toussaint, Gerthory;
Pedersen, Atle;
Oterhals, Geir;
Fiskvik, Anne Margrete;
Ettema, Gerardus Johannes C;
Bongaardt, Robert;
Bakka, Egil;
Audsen, Kjetil;
Vereijken, Beatrix;
Hokland, Jørn;
Waadeland, Carl Haakon.
(2002)
La det swinge! Om kropp og bevegelse.
Forskning på tvers: tverrfaglige forskningsprosjekter ved NTNU.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2001
-
Ettema, Gerardus Johannes C.
(2001)
Muscle efficiency: the controversial role of elasticity and mechanical energy conversion in stretch-shortening cycles.
European Journal of Applied Physiology.
volum 85.
Vitenskapelig artikkel
2000
-
Ettema, Gerardus Johannes C.
(2000)
Biomechanics: classic mechanics applied to the musculoskeletal system in a functional setting.
2000.
Kompendium
-
Ettema, Gerardus Johannes C.
(2000)
Motor behaviour: notes on neuro-physiology.
2000.
Kompendium
-
Ettema, Gerardus Johannes C.
(2000)
Physiological and biomechanical constraints: muscle mechanics & motor action.
2000.
Kompendium
-
Ettema, Gerardus Johannes C.
(2000)
Stability - ver.04 Muscle-joint model for simulation of coordinated movement.
Seksjon for bevegelsesvitenskap, Program for idrettsvitenskap, NTNU. 2000.
Programvare
-
Ettema, Gerardus Johannes C.
(2000)
WinLab - a signal analysis package for MatLab.
Seksjon for bevegelsesvitenskap, Program for idrettsvitenskap, NTNU. 2000.
Programvare
-
Ettema, Gerardus Johannes C;
Meijer, Kenneth.
(2000)
Muscle contraction history: modified Hill versus an exponential decay model.
Biological cybernetics.
volum 83.
Vitenskapelig artikkel
1999
-
Ettema, Gerardus Johannes C.
(1999)
Human movement from a biological perspective:differentiation of subsystems and biological organisation.
Corpus, Psyche et Societas.
volum 6 (2).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1999)
Modelling skeletal muscle-tendon units as actuators in motor behaviour: morphological aspects.
Corpus, Psyche et Societas.
volum in press.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1999)
SIM-MH ver.04 Simulation package on muscle contraction mechanisms.
Sekjson for bevegelsesvitenskap, Progarm for idrettsvitenskap, NTNU. 1999.
Programvare
-
Ettema, Gerardus Johannes C;
Roeleveld, Karin;
Tillaar, Roland van den.
(1999)
Biologi i Grunnfag Idrett (IDR105) på internet.
1999.
Kompendium
1998
-
Ettema, Gerardus Johannes C.
(1998)
MuscSim - A muscle contraction and movement simulation package for students, in Matlab.
Seksjon for bevegelsesvitenskap, program for idrettsvitenskap, NTNU. 1998.
Programvare
-
Ettema, Gerardus Johannes C;
Forwood, Mark R;
Goh, Judith TW.
(1998)
A new method to measure elastic properties of plastic-viscoelastic connective tissue.
Medical Engineering and Physics.
volum 20.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Styles, George;
Kippers, Vaughan.
(1998)
The moment arms of 23 muscles of the upper limb in different elbow and forearm positions.
Human Movement Science.
volum 17.
Vitenskapelig artikkel
-
Walshe, Andrew;
Wilson, Greg J;
Ettema, Gerardus Johannes C.
(1998)
Stretch shorten cycle as compared to isometric preload: contributions to enhanced muscular performance.
Journal of applied physiology.
volum 84.
Vitenskapelig artikkel
1997
-
Ettema, Gerardus Johannes C.
(1997)
Gastrocnemius muscle length in relation to knee and ankle joint angles: verification of a geometric model and some applications.
Anatomical Record.
volum 247 (1).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Mechanical behaviour of rat skeletal muscle during fatiguing stretch-shorten cycles.
Experimental Physiology.
volum 82.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Mechanical behaviour of rat skeletal muscle during fatiguing stretch-shorten cycles.
Experimental Physiology.
volum 82.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Muscle length and force generation in bipedal and quadrupedal animals in relation to joint ankles and locomotor behaviour.
Anatomical Record.
volum 247.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
The Human Musculoskeletal System.
1997.
Kompendium
1996
-
Ettema, Gerardus Johannes C.
(1996)
Contractile behaviour in rat gastrocnemius muscle during small amplitude sine wave perturbations.
Journal of Biomechanics.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1996)
Elastic - and length-force characteristics of the gastrocnemius of the hopping mouse (notomys alexis) and the rat (rattus norvegicus).
Journal of Experimental Biology.
volum 199.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1996)
Innovations in teaching musculoskeletal anatomy.
1996.
Rapport
-
Ettema, Gerardus Johannes C.
(1996)
Mechanical efficiency and efficiency of storage and release of series elastic energy in skeletal muscle during stretch-shorten cycles.
Journal of Experimental Biology.
volum 199.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Kippers, Vaughan.
(1996)
Proceedings of the 1996 Conference of the anatomical society of Australia and New Zealand.
1996.
Rapport
Tidsskriftspublikasjoner
-
Elfmark, Ola;
Ettema, Gertjan;
Gilgien, Matthias.
(2022)
Assessment of the steady glide phase in ski jumping.
Journal of Biomechanics.
volum 139.
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan;
Jølstad, Petter Andre;
Gilgien, Matthias.
(2022)
Kinematic Determination of the Aerial Phase in Ski Jumping.
Sensors.
volum 22 (2).
Vitenskapelig artikkel
-
Ettema, Gertjan;
Haug, Aurora Aasrud;
Ludvigsen, Tonje Pedersen;
Danielsen, Jørgen.
(2022)
The role of stroke rate and intensity on rowing technique.
Sports Biomechanics.
Vitenskapelig artikkel
-
Haugnes, Pål;
Kocbach, Jan;
Kjøsen Talsnes, Rune;
Noordhof, Dionne;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2022)
The influence of race tactics for performance in the heats of an international sprint cross-country skiing competition.
PLOS ONE.
volum 17:e0278552 (12).
Vitenskapelig artikkel
-
Baumgart, Julia Kathrin;
Ettema, Gertjan;
Griggs, Katy E.;
Goosey-Tolfrey, Victoria Louise;
Leicht, Christof Andreas.
(2021)
A Reappraisal of Ventilatory Thresholds in Wheelchair Athletes With a Spinal Cord Injury: Do They Really Exist?.
Frontiers in Physiology.
volum 12.
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
McGhie, David Caley Ruud;
Ettema, Gertjan.
(2021)
Mechanical energy and propulsion mechanics in roller-skiing double-poling at increasing speeds.
PLOS ONE.
volum 16 (7).
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan.
(2021)
Aerodynamic investigation of the inrun position in Ski jumping.
Sports Biomechanics.
Vitenskapelig artikkel
-
Elfmark, Ola;
Ettema, Gertjan;
Groos, Daniel;
Ihlen, Espen Alexander F.;
Velta, Rune;
Haugen, Per;
Bråten, Steinar;
Gilgien, Matthias.
(2021)
Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation.
Sensors.
volum 21 (16).
Vitenskapelig artikkel
-
Hansen, Linda Marie;
Sandbakk, Øyvind;
Ettema, Gertjan;
Baumgart, Julia Kathrin.
(2021)
Upper- vs. Lower-Body Exercise Performance in Female and Male Cross-Country Skiers.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
-
Noordhof, Dionne;
Danielsson, Marius Lyng;
Skovereng, Knut;
Danielsen, Jørgen;
Seeberg, Trine Margrethe;
Haugnes, Pål;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2021)
The dynamics of the anaerobic energy contribution during a simulated mass-start competition while roller-ski skating on a treadmill.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Haugen, Thomas André;
Ettema, Gerardus Johannes C.
(2021)
The influence of exercise modality on training load management.
International Journal of Sports Physiology and Performance (IJSPP).
volum 16 (4).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Haugen, Thomas André;
Ettema, Gertjan.
(2021)
The influence of exercise modality on training load management.
International Journal of Sports Physiology and Performance (IJSPP).
volum 16 (4).
Short communication
-
Severin, Cecilia;
Danielsen, Jørgen;
Erichsen, Jorgen Falck;
Eikevåg, Sindre Wold;
Steinert, Martin;
Ettema, Gertjan;
Baumgart, Julia Kathrin.
(2021)
Case Report: Adjusting Seat and Backrest Angle Improves Performance in an Elite Paralympic Rower.
Frontiers in Sports and Active Living.
volum 3.
Vitenskapelig artikkel
-
Dalen, Terje;
Aune, Tore Kristian;
Hjelde, Geir Håvard;
Ettema, Gertjan;
Sandbakk, Øyvind;
McGhie, David.
(2020)
Player load in male elite soccer: Comparisons of patterns between matches and positions.
PLOS ONE.
volum 15 (9).
Vitenskapelig artikkel
-
Ettema, Gertjan;
Braaten, Steinar;
Danielsen, Jørgen;
Fjeld, Birk Eirik.
(2020)
Imitation jumps in ski jumping: Technical execution and relationship to performance level.
Journal of Sports Sciences.
volum 38 (18).
Vitenskapelig artikkel
-
Kolsung, Erik Borg;
Ettema, Gertjan;
Skovereng, Knut.
(2020)
Physiological Response to Cycling With Variable Versus Constant Power Output.
Frontiers in Physiology.
Vitenskapelig artikkel
-
Luchsinger, Harri Simon;
Kocbach, Jan;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2020)
Contribution from cross-country skiing, start time and shooting components to the overall and isolated biathlon pursuit race performance.
PLOS ONE.
volum 15 (9).
Vitenskapelig artikkel
-
Løkkeborg, Johannes Alnes;
Ettema, Gerardus Johannes C.
(2020)
The role of incline, speed and work rate on the choice of technique in classical roller skiing.
PLOS ONE.
volum 15 (7).
Vitenskapelig artikkel
-
McGhie, David;
Østerås, Sindre;
Ettema, Gertjan;
Paulsen, Gøran;
Sandbakk, Øyvind.
(2020)
Strength Determinants of Jump Height in the Jump Throw Movement in Women Handball Players.
Journal of Strength and Conditioning Research.
volum 34 (10).
Vitenskapelig artikkel
-
Skovereng, Knut;
Aasvold, Lorents Ola;
Ettema, Gertjan.
(2020)
On the effect of changing handgrip position on joint specific power and cycling kinematics in recreational and professional cyclists.
PLOS ONE.
volum 15 (8).
Vitenskapelig artikkel
-
Aasvold, Lorents Ola;
Ettema, Gertjan;
Skovereng, Knut.
(2019)
Joint specific power production in cycling: The effect of cadence and intensity.
PLOS ONE.
volum 14 (2).
Vitenskapelig artikkel
-
Almquist, Nicki Winfield;
Ettema, Gertjan;
Hopker, James;
Sandbakk, Øyvind;
Rønnestad, Bent.
(2019)
The Effect of 30-Second Sprints During Prolonged Exercise on Gross Efficiency, Electromyography, and Pedaling Technique in Elite Cyclists.
International Journal of Sports Physiology and Performance (IJSPP).
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
McGhie, David;
Ettema, Gertjan.
(2019)
Mechanical energetics and dynamics of uphill double-poling on roller-skis at different incline-speed combinations.
PLOS ONE.
volum 14 (2).
Vitenskapelig artikkel
-
Haugen, Thomas André;
McGhie, David;
Ettema, Gertjan.
(2019)
Sprint running: from fundamental mechanics to practice -a review.
European Journal of Applied Physiology.
volum 119 (6).
Vitenskapelig oversiktsartikkel/review
-
Haugnes, Pål;
Kocbach, Jan;
Luchsinger, Harri;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
The Interval-Based Physiological and Mechanical Demands of Cross-Country Ski Training.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (10).
Vitenskapelig artikkel
-
Luchsinger, Harri;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
The Contribution From Cross-Country Skiing and Shooting Variables on Performance Level and Sex Differences in Biathlon World Cup Individual Races.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (2).
Vitenskapelig artikkel
-
McGhie, David;
Sandbakk, Øyvind;
Østerås, Sindre;
Ettema, Gertjan.
(2019)
Is There a Trade-Off Between Maximum Jumping and Throwing Capability in the Handball Jump Throw?.
Sage Open.
volum 9 (3).
Vitenskapelig artikkel
-
Baumgart, Julia Kathrin;
Gurtler, Laura;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Comparison of peak oxygen uptake and exercise efficiency between upper-body poling and arm crank ergometry in trained paraplegic and able-bodied participants.
European Journal of Applied Physiology.
volum 118 (9).
Vitenskapelig artikkel
-
Baumgart, Julia Kathrin;
Moes, Maaike;
Skovereng, Knut;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Examination of gas exchange and blood lactate thresholds in Paralympic athletes during upper-body poling.
PLOS ONE.
volum 13 (10).
Vitenskapelig artikkel
-
Bolger, Conor;
Bessone, Veronica;
Federolf, Peter Andreas;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
The influence of increased distal loading on metabolic cost, efficiency, and kinematics of roller ski skating.
PLOS ONE.
volum 13 (5).
Vitenskapelig artikkel
-
Ettema, Gertjan;
Øksnes, Magne;
Kveli, Espen;
Sandbakk, Øyvind.
(2018)
The effect of exhaustive exercise on the choice of technique and physiological response in classical roller skiing.
European Journal of Applied Physiology.
volum 118 (11).
Vitenskapelig artikkel
-
Haugen, Thomas André;
Danielsen, Jørgen;
Alnes, Leif Olav;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2018)
On the importance of “front-side mechanics” in athletics sprinting.
International Journal of Sports Physiology and Performance (IJSPP).
volum 13 (4).
Vitenskapelig artikkel
-
Haugnes, Pål;
Torvik, Per Øyvind;
Ettema, Gertjan;
Kocbach, Jan;
Sandbakk, Øyvind.
(2018)
The Effect of Maximal Speed Ability, Pacing Strategy and Technique on the Finish-Sprint of a Sprint Cross-Country Skiing Competition.
International Journal of Sports Physiology and Performance (IJSPP).
volum 14 (6).
Vitenskapelig artikkel
-
Luchsinger, Harri;
Kocbach, Jan;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Comparison of the Effects of Performance Level and Sex on Sprint Performance in the Biathlon World Cup.
International Journal of Sports Physiology and Performance (IJSPP).
volum 13 (3).
Vitenskapelig artikkel
-
Dahl, Christine;
Sandbakk, Øyvind;
Danielsen, Jørgen;
Ettema, Gertjan.
(2017)
The role of power fluctuations in the preference of diagonal vs. double poling sub-technique at different incline-speed combinations in elite cross-country skiers.
Frontiers in Physiology.
volum 8.
Vitenskapelig artikkel
-
Danielsen, Jørgen;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2017)
The effect of exercise intensity on joint power and dynamics in ergometer double-poling performed by cross-country skiers.
Human Movement Science.
volum 57.
Vitenskapelig oversiktsartikkel/review
-
Ettema, Gertjan;
Kveli, Espen;
Øksnes, Magne;
Sandbakk, Øyvind.
(2017)
The role of speed and incline in the spontaneous choice of technique in classical roller-skiing.
Human Movement Science.
volum 55.
Vitenskapelig artikkel
-
Haugen, Thomas;
Danielsen, Jørgen;
McGhie, David;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2017)
Kinematic stride cycle asymmetry is not associated with sprint performance and injury prevalence in athletic sprinters.
Scandinavian Journal of Medicine & Science in Sports.
volum 28 (3).
Vitenskapelig artikkel
-
Rasdal, Vegard;
Fudel, Ronny;
Kocbach, Jan;
Moen, Frode;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2017)
Association between laboratory capacities and world-cup performance in Nordic combined.
PLOS ONE.
volum 12 (6).
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gertjan;
Van Beekvelt, Mireille.
(2017)
The effect of cadence on shank muscle oxygen consumption and deoxygenation in relation to joint specific power and cycling kinematics.
PLOS ONE.
volum 12:e0169573 (1).
Vitenskapelig artikkel
-
Vandbakk, Kristine;
Welde, Boye;
Kruken, Andrea Hovstein;
Baumgart, Julia Kathrin;
Ettema, Gertjan;
Karlsen, Trine;
Sandbakk, Øyvind.
(2017)
Effects of upper-body sprint-interval training on strength and endurance capacities in female cross-country skiers.
PLOS ONE.
volum 12 (2).
Vitenskapelig artikkel
-
Aune, Tore Kristian;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2016)
Bilateral asymmetry in upper extremities is More pronounced in distal compared to proximal joints.
Journal of Motor Behavior.
volum 48 (2).
Vitenskapelig artikkel
-
Bolger, Conor;
Sandbakk, Øyvind;
Ettema, Gertjan;
Federolf, Peter Andreas.
(2016)
How hinge positioning in cross-country ski bindings affect exercise efficiency, cycle characteristics and muscle coordination during submaximal roller skiing.
PLOS ONE.
volum 11 (5).
Vitenskapelig artikkel
-
Dalen, Terje;
Ingebrigtsen, Jørgen;
Ettema, Gerardus Johannes C;
Hjelde, Geir Håvard;
Wisløff, Ulrik.
(2016)
Player load, acceleration, and deceleration during forty-five competitive matches of elite soccer.
Journal of Strength and Conditioning Research.
volum 30 (2).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Hooiveld, Jo;
Braaten, Steinar;
Boobert, Maarten.
(2016)
How do elite ski jumpers handle the dynamic conditions in imitation jumps?.
Journal of Sports Sciences.
volum 34 (11).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
McGhie, David;
Danielsen, Jørgen;
Sandbakk, Øyvind;
Haugen, Thomas André.
(2016)
On the existence of step-to-step breakpoint transitions in accelerated sprinting.
PLOS ONE.
volum 11 (7).
Vitenskapelig artikkel
-
Luchsinger, Harri;
Sandbakk, Øyvind;
Schubert, Michael;
Ettema, Gerardus Johannes C;
Baumeister, Jochen.
(2016)
A Comparison of Frontal Theta Activity During Shooting among Biathletes and Cross-Country Skiers before and after Vigorous Exercise.
PLOS ONE.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Rasdal, Vegard;
Bråten, Steinar;
Moen, Frode;
Ettema, Gerardus Johannes C.
(2016)
How do world-class Nordic Combined athletes differ from specialized cross-country skiers and ski jumpers in sport-specific capacity and training characteristics?.
International Journal of Sports Physiology and Performance (IJSPP).
volum 11 (7).
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Van Beekvelt, Mireille.
(2016)
Local muscle oxygen consumption related to external and joint specific power.
Human Movement Science.
volum 45.
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Van Beekvelt, Mireille.
(2016)
Oxygenation, local muscle oxygen consumption and joint specific power in cycling: the effect of cadence at a constant external work rate.
European Journal of Applied Physiology.
volum 116 (6).
Vitenskapelig artikkel
-
Østerås, Sindre;
Welde, Boye;
Danielsen, Jørgen;
van den Tillaar, Roland;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2016)
Contribution of upper-body strength, body composition, and maximal oxygen uptake to predict double poling power and overall performance in female cross-country skiers.
Journal of Strength and Conditioning Research.
volum 30 (9).
Vitenskapelig artikkel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Ettema, Gerardus Johannes C.
(2015)
Mechanical Energy and Propulsion in Ergometer Double Poling by Cross-country Skiers.
Medicine & Science in Sports & Exercise.
volum 47 (12).
Vitenskapelig artikkel
-
Hegge, Ann Magdalen;
Bucher, E;
Ettema, Gerardus Johannes C;
Faude, Oliver;
Holmberg, Hans-Christer;
Sandbakk, Øyvind.
(2015)
Gender differences in power production, energetic capacity and efficiency of elite cross-country skiers during whole-body, upper-body, and arm poling.
European Journal of Applied Physiology.
volum 116 (2).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Skålvik, Tommy Fredriksen;
Spencer, Matthew;
Van Beekvelt, Mireille;
Welde, Boye;
Hegge, Ann Magdalen;
Gjøvaag, Terje;
Ettema, Gerardus Johannes C.
(2015)
The physiological responses to repeated upper-body sprint exercise in highly trained athletes.
European Journal of Applied Physiology.
volum 115 (6).
Vitenskapelig artikkel
-
Andersson, E.;
Stöggl, T;
Pellegrini, B.;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2014)
Biomechanical analysis of the herringbone technique as employed by elite cross-country skiers.
Scandinavian Journal of Medicine & Science in Sports.
volum 24 (3).
Vitenskapelig artikkel
-
Grasaas, Christina Åsan;
Ettema, Gertja;
Hegge, Ann Magdalen H. S.;
Skovereng, Knut;
Sandbakk, Øyvind.
(2014)
Changes in Technique and Efficiency After High-Intensity Exercise in Cross-Country Skiers.
International Journal of Sports Physiology and Performance (IJSPP).
volum 9 (1).
Vitenskapelig artikkel
-
Grasaas, Erik;
Hegge, Ann Magdalen;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
The effects of poling on physiological, kinematic and kinetic responses in roller ski skating.
European Journal of Applied Physiology.
volum 114 (9).
Vitenskapelig artikkel
-
Hegge, Ann Magdalen;
Ettema, Gerardus Johannes C;
de Koning, Jos;
Rognstad, Asgeir Bakken;
Hoset, Martin;
Sandbakk, Øyvind.
(2014)
The effects of the arm swing on biomechanical and physiological aspects of roller ski skating.
Human Movement Science.
volum 36.
Vitenskapelig artikkel
-
Hoset, Martin;
Rognstad, Asgeir Bakken;
Rølvåg, Terje;
Ettema, Gertja;
Sandbakk, Øyvind.
(2014)
Construction of an instrumented roller ski and validation of three-dimensional forces in the skating technique.
Sports Engineering.
volum 17 (1).
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gertja.
(2014)
On the "trench effect" theory: A biomechanical analysis of the relationship between traction and shoe orientation on third-generation artificial turf.
Footwear Science.
volum 6 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2014)
Gender differences in endurance performance by elite cross-country skiers are influenced by the contribution from poling.
Scandinavian Journal of Medicine & Science in Sports.
volum 24 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Hansen, Mads;
Ettema, Gerardus Johannes C;
Rønnestad, Bent.
(2014)
The effects of heavy upper-body strength training on ice sledge hockey sprint abilities in world class players.
Human Movement Science.
volum 38.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2014)
The physiological and biomechanical differences between double poling and G3 skating in world class cross-country skiers.
European Journal of Applied Physiology.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Spencer, Matthew;
Ettema, Gerardus Johannes C;
Bucher, Silvana Andrea;
Skovereng, Knut;
Welde, Boye.
(2014)
The Physiology and Biomechanics of Upper-Body Repeated Sprints in Ice Sledge Hockey.
International Journal of Sports Physiology and Performance (IJSPP).
volum 9 (1).
Vitenskapelig artikkel
-
Aune, Tore Kristian;
Aune, Morten Andreas;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2013)
Comparison of bilateral force deficit in proximal and distal joints in upper extremities.
Human Movement Science.
volum 32 (3).
Vitenskapelig artikkel
-
Bardal, Ellen Marie;
Olsen, Trond Vegar;
Ettema, Gerardus Johannes C;
Mork, Paul Jarle.
(2013)
Metabolic rate, cardiac response, and aerobic capacity in fibromyalgia: A case-control study.
Scandinavian Journal of Rheumatology.
volum 42 (5).
Vitenskapelig artikkel
-
Leirdal, Stig;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C.
(2013)
Effects of frequency on gross efficiency and performance in roller ski skating.
Scandinavian Journal of Medicine & Science in Sports.
volum 23 (3).
Vitenskapelig artikkel
-
Mcghie, David Caley Ruud;
Ettema, Gerardus Johannes C.
(2013)
Biomechanical analysis of traction at the shoe-surface interface on third-generation artificial turf.
Sports Engineering.
volum 16 (2).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Bucher Sandbakk, Silvana;
Ettema, Gerardus Johannes C;
Welde, Boye.
(2013)
Effects of Intensity and Duration in Aerobic High-Intensity Interval Training in Highly Trained Junior Cross-Country Skiers.
Journal of Strength and Conditioning Research.
volum 27 (7).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2013)
The physiological and biomechanical contributions of poling to roller ski skating.
European Journal of Applied Physiology.
volum 113 (8).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Hegge, Ann Magdalen H. S.;
Ettema, Gertjan.
(2013)
The role of incline, performance level and gender on the gross mechanical efficiency of roller ski skating.
Frontiers in Physiology.
volum 4.
Vitenskapelig artikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Welde, Boye;
Sandbakk, Øyvind.
(2013)
On the relationship between upper-body strength, power and sprint performance in ice sledge hockey.
Journal of Strength and Conditioning Research.
volum 27 (12).
Vitenskapelig artikkel
-
Supej, Matej;
Sætran, Lars Roar;
Oggiano, Luca;
Ettema, Gerardus Johannes C;
Sarabon, N;
Nemec, B;
Holmberg, H.C..
(2013)
Aerodynamic drag is not the major determinant of performance during giant slalom skiing at the elite level.
Scandinavian Journal of Medicine & Science in Sports.
volum 23 (1).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Ettema, Gertja.
(2013)
A Comparison of Muscle Activity in Concentric and Counter Movement Maximum Bench Press.
The Journal of Human Kinetics.
volum 38.
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2012)
Biomechanical Analysis of Surface-Athlete Impacts on Third-Generation Artificial Turf.
American Journal of Sports Medicine.
volum 41 (1).
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2012)
Biomechanical analysis of traction at the shoe-surface interface on third generation artificial turf.
Procedia Engineering.
volum 34.
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2012)
The influence of incline and speed on work rate, gross efficiency and kinematics of roller ski skating.
European Journal of Applied Physiology.
volum 112 (8).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Holmberg, Hans-Christer.
(2012)
Gender differences in the physiological responses and kinematic behaviour of elite sprint cross-country skiers.
European Journal of Applied Physiology.
volum 112 (3).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Sæterbakken, Atle;
Ettema, Gerardus Johannes C.
(2012)
Is the occurrence of the sticking region the result of diminishing potentiation in bench press?.
Journal of Sports Sciences.
volum 30 (6).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
Pedaling Technique and Energy Cost in Cycling.
Medicine & Science in Sports & Exercise.
volum 43 (4).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
The relationship between cadence, pedaling technique and gross efficiency in cycling.
European Journal of Applied Physiology.
volum 111 (12).
Vitenskapelig artikkel
-
McGhie, David;
Ettema, Gerardus Johannes C.
(2011)
The effect of cadence on timing of muscle activation and mechanical output in cycling: On the activation dynamics hypothesis.
Journal of Electromyography & Kinesiology.
volum 21 (1).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2011)
Effects of Speed and Slope on Ski Skating Efficiency and Kinematics.
Medicine & Science in Sports & Exercise.
volum 43 (5).
Sammendrag/abstract
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Jakobsen, Vidar Eivind;
Holmberg, Hans-Christer.
(2011)
Analysis of a sprint ski race and associated laboratory determinants of world-class performance.
European Journal of Applied Physiology.
volum 111 (6).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
The physiology of world-class sprint skiers.
Scandinavian Journal of Medicine & Science in Sports.
volum 21 (6).
Vitenskapelig artikkel
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C;
Vereijken, Beatrix.
(2011)
Effects of age, task, and frequency on variability of finger tapping.
Perceptual and Motor Skills.
volum 113 (2).
Vitenskapelig artikkel
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2011)
A comparison of kinematics between overarm throwing with 20% underweight, regular, and 20% overweight balls.
Journal of Applied Biomechanics.
volum 27 (3).
Vitenskapelig artikkel
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2010)
Metabolic rate and gross efficiency at high work rates in world class and national level sprint skiers.
European Journal of Applied Physiology.
volum 109 (3).
Vitenskapelig artikkel
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C.
(2010)
The effect of gender and training experience on body segments' contributions in overarm throwing.
International Journal of Sport Psychology.
volum 41.
Sammendrag/abstract
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2010)
The "sticking period" in a maximum bench press.
Journal of Sports Sciences.
volum 28 (5).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Lorås, Håvard Wuttudal.
(2009)
Efficiency in cycling: a review.
European Journal of Applied Physiology.
volum 106 (1).
Vitenskapelig oversiktsartikkel/review
-
Ettema, Gerardus Johannes C;
Lorås, Håvard Wuttudal;
Leirdal, Stig.
(2009)
The effects of cycling cadence on the phases of joint power, crank power, force and force effectiveness.
Journal of Electromyography & Kinesiology.
volum 19 (2).
Vitenskapelig artikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
Freely chosen pedal rate during free cycling on a roller and ergometer cycling.
European Journal of Applied Physiology.
volum 106 (6).
Vitenskapelig artikkel
-
Lorås, Håvard Wuttudal;
Ettema, Gerardus Johannes C;
Leirdal, Stig.
(2009)
The Muscle Force Component in Pedaling Retains Constant Direction Across Pedaling Rates.
Journal of Applied Biomechanics.
volum 25 (1).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
A Comparison of Successful and Unsuccessful Attempts in Maximal Bench Pressing.
Medicine & Science in Sports & Exercise.
volum 41 (11).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
A comparison of overarm throwing with the dominant and nondominant arm in experienced team handball players.
Perceptual and Motor Skills.
volum 109 (1).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2009)
Is there a proximal-to-distal sequence in overarm throwing in team handball?.
Journal of Sports Sciences.
volum 27 (9).
Vitenskapelig artikkel
-
Aune, Tore Kristian;
Ingvaldsen, Rolf Petter;
Ettema, Gerardus Johannes C.
(2008)
Effect of physical fatigue on motor control at different skill levels.
Perceptual and Motor Skills.
volum 106.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Gløsen, Tommy;
Tillaar, Roland van den.
(2008)
Effect of specific strength training on overarm throwing performance.
International Journal of Sports Physiology and Performance (IJSPP).
volum 3.
Vitenskapelig artikkel
-
Leirdal, Stig;
Roeleveld, Karin;
Ettema, Gerardus Johannes C.
(2008)
Coordination Specificity in Strength and Power Training.
International Journal of Sports Medicine (IJSM).
volum 29.
Vitenskapelig artikkel
-
Holtermann, Andreas;
Roeleveld, Karin;
Vereijken, Beatrix;
Ettema, Gerardus Johannes C.
(2007)
The effect of rate of force development on maximal force production: acute and training-related aspects.
European Journal of Applied Physiology.
volum 99.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2007)
A three-dimensional analysis of overarm throwing in experienced handball players.
Journal of Applied Biomechanics.
volum 23 (1).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
A comparison of kinematics between novices and experts in overarm throwing under influence of type of instruction.
Perceptual and Motor Skills.
volum 103.
Vitenskapelig artikkel
-
Kristensen, Geir Olav;
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
Velocity Specificity in Early-Phase Sprint Training.
Journal of Strength and Conditioning Research.
volum 20 (4).
Vitenskapelig artikkel
-
Leirdal, Stig;
Sætran, Lars Roar;
Roeleveld, Karin;
Vereijken, Beatrix;
Bråten, Steinar;
Bråten, Steinar;
Løset, Sveinung;
Holtermann, Andreas;
Ettema, Gerardus Johannes C.
(2006)
Effects of Body Position on Slide Boarding Performance by Cross-Country Skiers.
Medicine & Science in Sports & Exercise.
volum 38 (8).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Braten, S;
Bobbert, MF.
(2005)
Dynamics of the in-run in ski jumping: A simulation study.
Journal of Applied Biomechanics.
volum 21.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Taylor, E;
North, JD;
Kippers, V.
(2005)
Muscle synergies at the elbow in static and oscillating isometric torque tasks with dual degrees of freedom.
Motor Control.
volum 9.
Vitenskapelig artikkel
-
Holtermann, Andreas;
Roeleveld, Karin;
Vereijken, Beatrix;
Ettema, Gerardus Johannes C.
(2005)
Changes in agonist EMG activation level during MVC cannot explain early strength improvement.
European Journal of Applied Physiology.
volum 94 (5-6).
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2004)
A force velocity relationship and coordination patterns in overarm throwing.
Journal of Sports Science and Medicine.
volum 3.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2004)
Effect of body size and gender in overarm throwing performance.
European Journal of Applied Physiology.
volum 91.
Vitenskapelig artikkel
-
van den Tillaar, R;
Ettema, Gerardus Johannes C.
(2004)
Effect of body size and gender in overarm throwing performance.
European Journal of Applied Physiology.
volum 91.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2003)
Effects of instruction, emphasizing on velocity, accuracy or both on the performance and kinematics in overarm throwing.
Perceptual and Motor Skills.
volum 97.
Vitenskapelig artikkel
-
Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2003)
Influence of instruction on velocity and accuracy of overarm throwing.
Perceptual and Motor Skills.
volum 96.
Vitenskapelig artikkel
-
van den Tillaar, R;
Ettema, Gerardus Johannes C.
(2003)
Instructions emphasizing velocity, accuracy, or both in performance and kinematics of overarm throwing by experienced team handball players.
Perceptual and Motor Skills.
volum 97.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(2002)
Effects of contraction history on control and stability in explosive actions.
Journal of Electromyography & Kinesiology.
volum 12.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(2001)
Muscle efficiency: the controversial role of elasticity and mechanical energy conversion in stretch-shortening cycles.
European Journal of Applied Physiology.
volum 85.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Meijer, Kenneth.
(2000)
Muscle contraction history: modified Hill versus an exponential decay model.
Biological cybernetics.
volum 83.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1999)
Human movement from a biological perspective:differentiation of subsystems and biological organisation.
Corpus, Psyche et Societas.
volum 6 (2).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1999)
Modelling skeletal muscle-tendon units as actuators in motor behaviour: morphological aspects.
Corpus, Psyche et Societas.
volum in press.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Forwood, Mark R;
Goh, Judith TW.
(1998)
A new method to measure elastic properties of plastic-viscoelastic connective tissue.
Medical Engineering and Physics.
volum 20.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C;
Styles, George;
Kippers, Vaughan.
(1998)
The moment arms of 23 muscles of the upper limb in different elbow and forearm positions.
Human Movement Science.
volum 17.
Vitenskapelig artikkel
-
Walshe, Andrew;
Wilson, Greg J;
Ettema, Gerardus Johannes C.
(1998)
Stretch shorten cycle as compared to isometric preload: contributions to enhanced muscular performance.
Journal of applied physiology.
volum 84.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Gastrocnemius muscle length in relation to knee and ankle joint angles: verification of a geometric model and some applications.
Anatomical Record.
volum 247 (1).
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Mechanical behaviour of rat skeletal muscle during fatiguing stretch-shorten cycles.
Experimental Physiology.
volum 82.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Mechanical behaviour of rat skeletal muscle during fatiguing stretch-shorten cycles.
Experimental Physiology.
volum 82.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1997)
Muscle length and force generation in bipedal and quadrupedal animals in relation to joint ankles and locomotor behaviour.
Anatomical Record.
volum 247.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1996)
Contractile behaviour in rat gastrocnemius muscle during small amplitude sine wave perturbations.
Journal of Biomechanics.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1996)
Elastic - and length-force characteristics of the gastrocnemius of the hopping mouse (notomys alexis) and the rat (rattus norvegicus).
Journal of Experimental Biology.
volum 199.
Vitenskapelig artikkel
-
Ettema, Gerardus Johannes C.
(1996)
Mechanical efficiency and efficiency of storage and release of series elastic energy in skeletal muscle during stretch-shorten cycles.
Journal of Experimental Biology.
volum 199.
Vitenskapelig artikkel
Bøker
-
Haugnes, Pål;
Kocbach, Jan;
Kjøsen Talsnes, Rune;
Noordhof, Dionne;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2022)
Race tactics in the heats of a sprint cross-country skiing competition.
2022. ISBN 978-91-89341-93-7.
Vitenskapelig antologi/Konferanseserie
-
Haugnes, Pål;
Kocbach, Jan;
Luchsinger, Harri;
Munkebye, Øyvind;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2016)
Heart rate profiles, external work rate and kinematics when ski skating on varying terrain during low-, moderate-, and high-intensity endurance training.
2016. ISBN 978-3-200-04885-0. Book of abstracts: 7th International congress on science and skiing. (1).
Vitenskapelig antologi/Konferanseserie
Del av bok/rapport
-
Ettema, Gertjan;
McGhie, David.
(2019)
Biomekanikk og bevegelse.
Idrettsvitenskap : perspektiver og praksis.
Faglig kapittel
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Ettema, Gertjan.
(2016)
Mechanical energy and work in treadmill double poling on roller skis.
International congress on science and skiing - Book of Abstracts.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Bucher, Elias;
Danielsen, Jørgen;
Hegge, Ann Magdalen;
Faude, Oliver;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2015)
Technique differences between male and female cross-country skiers while whole body, upper body and arm poling on a ski ergometer.
20th annual Congress of the EUROPEAN COLLEGE OF SPORT SCIENCE 24th - 27th June 2015, Malmö – Sweden BOOK OF ABSTRACTS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Bolger, Conor;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Federolf, Peter Andreas.
(2014)
Does the Position of the Hinge in Cross-country Ski Bindings Affect Muscle Activation in Skating?.
Proceedings of the 2nd International Congress on Sports Sciences and Technology Support (icSports-2014).
Annet
-
Danielsen, Jørgen;
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C.
(2014)
Joint-specific power contribution at increasing double poling intensities.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
Efficiency in endurance exercise: efficiency of what.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hegge, Ann Magdalen;
Bucher, E;
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind.
(2014)
Comparison of arm, upper body and whole body double poling in female and male cross-country skiers.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Holmberg, Hans-Christer;
Ettema, Gerardus Johannes C.
(2014)
The role of gross mechanical efficiency in endurance sports.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Skovereng, Knut;
Van Beekvelt, Mireille;
Ettema, Gerardus Johannes C.
(2014)
The effect of cadence on hip, knee and ankle contribution during cycling exercise.
Book of Abstracts of the 19th Annual Congress of theEuropean College of Sport Science – 2nd - 5th July 2014, Amsterdam – The Netherlands.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gertja;
Skålvik, Tommy;
Spencer, Matthew;
Sandbakk, Øyvind.
(2013)
Performance and coordination in repeated sprint exercise for the upper body.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Hansen, Mads;
Rønnestad, Bent;
Ettema, Gertjan.
(2013)
Effects of heavy strength training on upper-body strength, power and sprint performance in ice sledge hockey.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Skovereng, Knut;
Ettema, Gertja;
Beekvelt, Mireille V.;
Sandbakk, Øyvind.
(2013)
Pulmonary oxygen consumption and oxygenation of upper-body muscles during isolated upper body poling at different exercise intensities.
Book of Abstracts.18th annual Congress of the European College of Sport Science. 26th - 29th June, Barcelona - Spain.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2012)
Cycling.
Encyclopedia of Exercise Medicine in Health and Disease.
Leksikalsk innførsel
-
Sandbakk, Øyvind;
Bucher Sandbakk, Silvana;
Ettema, Gerardus Johannes C;
Welde, Boye.
(2012)
Effects of intensity and duration in aerobic high-intensity interval training.
2nd International Congress of Science and Nordic Skiing. Congress Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, Hans-Christer.
(2012)
Efficiency in cross-country skiing. A brief review.
Science and Skiing V.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Holmberg, HC.
(2012)
The contribution from poling increases gender differences in elite cross-country skiers.
2nd International Congress of Science and Nordic Skiing. Congress Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sandbakk, Øyvind;
Sandbakk, Silvana Bucher;
Skovereng, Knut;
Welde, Boye;
Ettema, Gerardus Johannes C.
(2012)
The Physiology of World Class Sledge Ice-Hockey.
17th annual Congress of the ECSS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Skovereng, Knut;
Ettema, Gerardus Johannes C;
Welde, Boye;
Sandbakk, Øyvind.
(2012)
Relationships between Upper-Body Maximal Strength, Power and Sprint Performance in Sledge Ice-Hockey.
17th annual Congress of the ECSS.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Supej, Matej;
Oggiano, Luca;
Ettema, Gerardus Johannes C;
Holmberg, H.C..
(2012)
Differences in air drag among elite male alpine skiers.
Science and Skiing V.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind;
Leirdal, Stig.
(2011)
Maximal aerobic capacity and efficiency in world class sprint skiers using the double poling and G3 skating technique.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2011)
Pedaling technique and energy cost in cycling.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Løkke, Trine Beate;
Holmberg, Hans-Christer.
(2011)
The impact of pole propulsion on kinematics and fatigue in roller ski skating.
16th Annual Congress of the ECSS - Book of Abstracts.
Annet
-
Sandbakk, Øyvind;
Ettema, Gerardus Johannes C;
Leirdal, Stig;
Holmberg, Hans-Christer.
(2010)
Physiological gender differences associated with sprint skiing performance.
Abstract Book of the 5th International Congress on Science and Skiing.
Annet
-
Sandbakk, Øyvind;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2010)
Effect of frequency in roller ski skating.
Abstract Book of the 5th International Congress on Science and Skiing.
Annet
-
Ettema, Gerardus Johannes C.
(2009)
Inertial loading in level and uphill cycling.
11th International Conference of Sport Kinetics.
Annet
-
Ettema, Gerardus Johannes C;
McGhie, David;
Olsen, Kristian Killi;
Lillemark, Kristian.
(2009)
The effect of body orientation om cycling technique.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Ettema, Gerardus Johannes C;
Sandbakk, Øyvind;
Leirdal, Stig;
Holmberg, HC.
(2009)
Efficiency at high work rates in world class skiers.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
Freely chosen cadence and gross efficiently during ergometer and free bicycling.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2009)
On the relationship between gross efficiency and force effectiveness during ergometer cycling.
11th International Conference of Sport Kinetics.
Annet
-
Leirdal, Stig;
Sandbakk, Øyvind;
Holmberg, HC;
Ettema, Gerardus Johannes C.
(2009)
Sub-maximal efficiency during roller ski skating.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Sandbakk, Øyvind;
Leirdal, Stig;
Holmberg, HC;
Ettema, Gerardus Johannes C.
(2009)
The physiology of world class sprint skiers.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
van den Tillaar, Roland;
Ettema, Gerardus Johannes C.
(2009)
Acomparison of successful and unsuccessful attempts in 1RM bench press.
14th Annual Congress of the European College of Sport Science, ECSS Oslo 09, Book of Abstracts.
Annet
-
Oggiano, Luca;
Sætran, Lars Roar;
Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2008)
Aerodynamic optimization and energy saving of cycling postures for international elite level cyclists.
The Engineeeing of Sport 7.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Bråten, Steinar.
(2007)
On the role of the location of centre of mass in ski jumping.
Science and nordic skiing.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C;
Hooiveld, Jo;
Bråten, Steinar;
Bobbert, Maarten F.
(2007)
The possible use of horizontal propulsion in imitation ski jumps.
4th International Congress on Science and Skiing.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Ettema, Gerardus Johannes C.
(2006)
On the proximal-distal sequence in explosive actions: the role of transfer of momentum.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Sommervoll, Yngve;
Ettema, Gerardus Johannes C.
(2006)
A comparison of male throwing athletes and unskilled males when performing an overarm throwing task.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
The sticking point in bench pressing.
Nordisk Konferanse i Bevegelsesvitenskap 2006, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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Ettema, Gerardus Johannes C;
Bråten, Steinar.
(2006)
On the role of the location of centre of mass in ski jumping.
International Congress on Science and Nordic Skiing, Proceedings.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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Tillaar, Roland van den;
Ettema, Gerardus Johannes C.
(2006)
A comparison of performance and kinematics in throwing with the dominant and non-dominant arm in handball players.
The XXIV International Symposium on Biomechanics in Sports.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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Toussaint, Gerthory;
Pedersen, Atle;
Oterhals, Geir;
Fiskvik, Anne Margrete;
Ettema, Gerardus Johannes C;
Bongaardt, Robert;
Bakka, Egil;
Audsen, Kjetil;
Vereijken, Beatrix;
Hokland, Jørn;
Waadeland, Carl Haakon.
(2002)
La det swinge! Om kropp og bevegelse.
Forskning på tvers: tverrfaglige forskningsprosjekter ved NTNU.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
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Rasdal, Vegard Finserås;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2019)
Concurrent optimization of two extremes: performance, physiological, and training characteristics of world class Nordic combined athletes.
2019. ISBN 978-82-326-3871-0.
Doktorgradsavhandling
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Danielsen, Jørgen;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2018)
Energetics and dynamics of double poling cross-country skiing.
2018. ISBN 978-82-326-3518-4.
Doktorgradsavhandling
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Haugnes, Pål;
Kocbach, Jan;
Torvik, Per Øyvind;
Ekren, Thomas;
Ettema, Gertjan;
Sandbakk, Øyvind.
(2017)
How fast are cross-country skiers in the finish-sprint during a sprint competition? Book of Abstracts: "Performance in snow sports: Translating science into practice".
2017.
Rapport
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Leirdal, Stig;
Ettema, Gerardus Johannes C.
(2003)
Utholdenhet: Energifrigjøring, prestasjonsfaktorer, trening, tilpasninger og testing. Pensum Topptrenerstudiet Olympiatoppen-NTNU.
2003.
Kompendium
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Ettema, Gerardus Johannes C.
(2000)
Biomechanics: classic mechanics applied to the musculoskeletal system in a functional setting.
2000.
Kompendium
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Ettema, Gerardus Johannes C.
(2000)
Motor behaviour: notes on neuro-physiology.
2000.
Kompendium
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Ettema, Gerardus Johannes C.
(2000)
Physiological and biomechanical constraints: muscle mechanics & motor action.
2000.
Kompendium
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Ettema, Gerardus Johannes C;
Roeleveld, Karin;
Tillaar, Roland van den.
(1999)
Biologi i Grunnfag Idrett (IDR105) på internet.
1999.
Kompendium
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Ettema, Gerardus Johannes C.
(1997)
The Human Musculoskeletal System.
1997.
Kompendium
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Ettema, Gerardus Johannes C.
(1996)
Innovations in teaching musculoskeletal anatomy.
1996.
Rapport
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Ettema, Gerardus Johannes C;
Kippers, Vaughan.
(1996)
Proceedings of the 1996 Conference of the anatomical society of Australia and New Zealand.
1996.
Rapport
UTSTILLING
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Sandbakk, Øyvind;
Ettema, Gertjan;
Torvik, Per Øyvind;
McGawley, Kerry.
(2019)
Nordic Winter Sports Conference.
Nordic Winter Sports Conference
[Kunstnerisk og museal presentasjon] . NTNU, Nord Universitet, Mittuniversitetet; Meråker. 2019-05-09 - 2019-05-10.
Annen presentasjon
PRODUKT
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Ettema, Gerardus Johannes C.
(2000)
Stability - ver.04 Muscle-joint model for simulation of coordinated movement.
Seksjon for bevegelsesvitenskap, Program for idrettsvitenskap, NTNU. 2000.
Programvare
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Ettema, Gerardus Johannes C.
(2000)
WinLab - a signal analysis package for MatLab.
Seksjon for bevegelsesvitenskap, Program for idrettsvitenskap, NTNU. 2000.
Programvare
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Ettema, Gerardus Johannes C.
(1999)
SIM-MH ver.04 Simulation package on muscle contraction mechanisms.
Sekjson for bevegelsesvitenskap, Progarm for idrettsvitenskap, NTNU. 1999.
Programvare
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Ettema, Gerardus Johannes C.
(1998)
MuscSim - A muscle contraction and movement simulation package for students, in Matlab.
Seksjon for bevegelsesvitenskap, program for idrettsvitenskap, NTNU. 1998.
Programvare
Undervisning
Emner
Formidling
2022
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Vitenskapelig foredragHaugnes, Pål; Kocbach, Jan; Kjøsen Talsnes, Rune; Noordhof, Dionne; Ettema, Gertjan; Sandbakk, Øyvind. (2022) Race tactics in the heats of a sprint cross-country skiing competition. Nordic Winter Sports Conference . Mid Sweden University, NTNU, Nord University; Østersund. 2022-10-03 - 2022-10-04.
2021
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Vitenskapelig foredragEttema, Gertjan. (2021) Humans are not designed for cycling - right?. Cycling Research Network . Rodrigo Bini; nett. 2021-09-20 - 2021-09-20.
2020
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Vitenskapelig foredragNoordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Skovereng, Knut; Haugnes, Pål; Sandbakk, Øyvind; Ettema, Gertjan. (2020) Efficiency and cycle characteristics across sub-techniques in rollers-ski skating. European College of Sport Science Annual Congress ; 2020-10-28 - 2020-10-30.
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Vitenskapelig foredragSeeberg, Trine Margrethe; Kocbach, Jan; Noordhof, Dionne; Danielsen, Jørgen; Haugnes, Pål; Skovereng, Knut; Tjønnås, Johannes; Rindal, Ole Marius Hoel; Ettema, Gertjan; Sandbakk, Øyvind. (2020) COMPARISON OF SUB-TECHNIQUE UTILIZATION, KINEMATICS AND PHYSIOLOGICAL RESPONSES BETWEEN LOW- AND HIGH-INTENSITY ROLLER SKI SKATING. ECSS Conference . ECSS; Online. 2020-10-28 - 2020-10-30.
2019
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PosterDanielsen, Jørgen; Haugnes, Pål; Noordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind; Skovereng, Knut. (2019) Choice of sub-technique and pole forces during low- and high-intensity roller ski skating across hilly terrain – a pilot study. Nordic Winter Sports Conference ; 2019-05-09 - 2019-05-10.
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PosterDanielsen, Jørgen; Haugnes, Pål; Noordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind; Skovereng, Knut. (2019) Proskida pole force measurements during cross-country skiing. Poster presentation. Olympiatoppens forskningskonferanse . Olympiatoppen; Oslo. 2019-09-25 - 2019-09-25.
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PosterSkovereng, Knut; Haugnes, Pål; Seeberg, Trine Margrethe; Noordhof, Dionne; Ettema, Gertjan; Kocbach, Jan; Danielsson, Marius Lyng; Sandbakk, Øyvind; Danielsen, Jørgen. (2019) Comparison of muscle oxygenation during different sub-techniques in ski-skating. Olympiatoppens forskningskonferanse . Olympiatoppen; Oslo. 2019-09-25 - 2019-09-25.
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PosterSkovereng, Knut; Haugnes, Pål; Seeberg, Trine Margrethe; Noordhof, Dionne; Ettema, Gertjan; Sandbakk, Øyvind; Danielsen, Jørgen. (2019) Comparison of muscle oxygenation in arms and legs between sub-techniques while roller ski skating – a pilot study. Nordic Winter Sports Conference ; 2019-05-09 - 2019-05-10.
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Vitenskapelig foredragSkovereng, Knut; Haugnes, Pål; Seeberg, Trine Margrethe; Noordhof, Dionne; Sandbakk, Øyvind; Ettema, Gertjan; Danielsen, Jørgen. (2019) Terrain-specific fluctuations in muscle oxygen saturation during a simulated sprint skiing competition – a pilot study. Nordic Winter Sports Conference ; 2019-05-09 - 2019-05-10.
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Vitenskapelig foredragDanielsen, Jørgen; McGhie, David; Sandbakk, Øyvind; Ettema, Gertjan. (2019) Source of power generation during double poling at shallow and steep inclines. The 8th International Congress on Science and Skiing ; Vuokatti. 2019-03-11 - 2019-03-15.
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Vitenskapelig foredragEttema, Gertjan. (2019) Sub-techniques in classic and freestyle cross-country skiing – what factors play a role in which to choose?. Groningen Lectures in Movement Science . Human Movement Science, Rijksuniversiteit Groningen, UMCG; Groningen. 2019-10-17 - 2019-10-17.
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Vitenskapelig foredragEttema, Gertjan; Braaten, Steinar. (2019) Optimising performance in ski jumping. Nordic Winter Sports Conference ; Meråker. 2019-05-09 - 2019-05-10.
2018
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Vitenskapelig foredragAlmquist, Nicki Winfield; Ellefsen, Stian; Ettema, Gertjan; Sandbakk, Øyvind; Rønnestad, Bent. (2018) Effect of including 30-s sprints in prolonged endurance exercise on muscular adaptations and gross efficiency in highly trained cyclists. Cycling and Science ; Nantes. 2018-10-04 - 2018-10-05.
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Vitenskapelig foredragKolsung, Erik Borg; Skovereng, Knut; Ettema, Gertjan. (2018) Physiological response to cycling with variable versus constant power output. Science in cycling ; Nantes. 2018-07-04 - 2018-07-05.
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Vitenskapelig foredragMcGhie, David; Østerås, Sindre; Ettema, Gertjan; Paulsen, Gøran; Sandbakk, Øyvind. (2018) Strength determinants of jump height in the jump throw movement in women handball players. Congress of the European College of Sport Science . ECSS; Dublin. 2018-07-04 - 2018-07-07.
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PosterSkovereng, Knut; Kolsung, Erik Borg; Ettema, Gertjan. (2018) On the effect of constant and variable load during pedaling in elite cyclists. Olympiatoppens forskningskonferanse ; Oslo. 2018-09-25 - 2018-09-25.
2017
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Vitenskapelig foredragAasvold, Lorents Ola; Ettema, Gertjan; Skovereng, Knut. (2017) Joint specific power production in cycling: the effect of cadence and athlete level. Science in cycling ; Dusseldorf. 2017-06-29 - 2017-06-30.
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PosterBaumgart, Julia Kathrin; Guertler, Laura; Ettema, Gertjan; Sandbakk, Øyvind. (2017) Comparison of VO2peak and exercise efficiency between upper-body poling and arm crank ergometry in trained able-bodied and paraplegic participants. Olympiatoppen forskningskonferanse ; 2017-09-13 - 2017-09-13.
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Faglig foredragBaumgart, Julia Kathrin; Skovereng, Knut; Ettema, Gertjan; Sandbakk, Øyvind. (2017) Endurance performance in Paralympic sitting sports – testing and training. NVC conference ; 2017-10-05 - 2017-10-06.
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PosterBaumgart, Julia Kathrin; Skovereng, Knut; Ettema, Gertjan; Sandbakk, Øyvind. (2017) Gas exchange and blood lactate thresholds in Paralympic athletes: do they really exist?. Olympiatoppen forskningskonferanse ; 2017-09-13 - 2017-09-13.
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Vitenskapelig foredragEttema, Gertjan; Kveli, Espen; Øksnes, Magne; Sandbakk, Øyvind. (2017) The Role of Speed and Incline on the Spontaneous Choice of Technique in Classical Roller-Skiing. 26th Annual Meeting of ESMAC ; Trondheim. 2017-09-07 - 2017-09-09.
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Vitenskapelig foredragEttema, Gertjan; Øksnes, Magne; Kveli, Espen; Sandbakk, Øyvind. (2017) The effect of fatigue on choice of technique and physiological response in cross-country skiing. NVC conference “Performance in snow sports: Translating science into practice” . NVC; Åre. 2017-10-05 - 2017-10-06.
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PosterHaugnes, Pål; Kocbach, Jan; Torvik, Per Øyvind; Ekren, Thomas; Ettema, Gertjan; Sandbakk, Øyvind. (2017) How fast are cross-country skiers in the finish-sprint during a sprint competition?. Olympiatoppens Forskningskonferanse 2017 . Olympiatoppen; Oslo. 2017-09-13.
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Vitenskapelig foredragHaugnes, Pål; Kocbach, Jan; Torvik, Per Øyvind; Ekren, Thomas; Ettema, Gertjan; Sandbakk, Øyvind. (2017) How fast are cross-country skiers in the finish-sprint during a sprint competition?. NVC conference, Performance in snow sports: Translating science into practice . The Swedish Winter Sports Research Centre; Åre. 2017-10-05 - 2017-10-06.
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PosterLuchsinger, Harri; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind. (2017) Comparison of Performance-Levels and Sex on Sprint Race Performance in the Biathlon World Cup. Olympiatoppens forskningskonferanse . Olympiatoppen; Oslo. 2017-09-13.
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PosterMcGhie, David; Sandbakk, Øyvind; Ettema, Gertjan; Gøran, Paulsen; Østerås, Sindre. (2017) Determinants of sport-specific jump height in female handball players. Olympiatoppens research conference 2017 . Olympiatoppen; Oslo. 2017-09-13 - 2017-09-13.
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PosterMcGhie, David; Sandbakk, Øyvind; Østerås, Sindre; Ettema, Gertjan. (2017) Is there a trade-off between maximum jumping and throwing capability in the handball jump throw?. Olympiatoppens research conference 2017 . Olympiatoppen; Oslo. 2017-09-13 - 2017-09-13.
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Faglig foredragSandbakk, Øyvind; Ettema, Gertjan. (2017) Motion capture in elite sport athletes. Seminar GEMS . GEMS, NTNU; St.Olavs Hospital. 2017-11-27.
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Vitenskapelig foredragSkovereng, Knut; Aasvold, Lorents Ola; Ettema, Gertjan. (2017) Joint specific power is not affected by changes in hand position in recreational and elite cyclists. Science in cycling ; Dusseldorf. 2017-06-29 - 2017-06-30.
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PosterSkovereng, Knut; Aasvold, Lorents Ola; Ettema, Gertjan. (2017) On the effect of changing handgrip position during cycling at different power outputs. Olympiatoppens forskningskonferanse . Olympiatoppen; Oslo. 2017-09-12 - 2017-09-12.
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PosterSkovereng, Knut; Ettema, Gertjan; Aasvold, Lorents Ola. (2017) Low cadence increases hip joint contribution during cycling at different power outputs. Olympiatoppens forskningskonferanse . Olympiatoppen; Oslo. 2017-09-12 - 2017-09-12.
2016
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Vitenskapelig foredragDanielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2016) Mechanical energy and work in treadmill double poling on roller skis. 7th International Congress on Science and SKiing ; 2016-12-10 - 2016-12-15.
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PosterEttema, Gertjan; McGhie, David; Danielsen, Jørgen; Sandbakk, Øyvind; Haugen, Thomas André. (2016) On the existence of step-to-step breakpoint transitions in accelerated sprinting. Olympiatoppens forskningskonferanse ; 2016-09-27.
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PosterHaugnes, Pål; Kocbach, Jan; Luchsinger, Harri; Munkebye, Øyvind; Ettema, Gertjan; Sandbakk, Øyvind. (2016) Heart rate profiles, external work rate and kinematics when ski skating on varying terrain during low-, moderate-, and high-intensity endurance training. Olympiatoppens forskningskonferanse 2016 ; 2016-09-27 - 2016-09-27.
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Vitenskapelig foredragHaugnes, Pål; Kocbach, Jan; Luchsinger, Harri; Munkebye, Øyvind; Ettema, Gertjan; Sandbakk, Øyvind. (2016) Heart rate profiles, external work rate and kinematics when ski skating on varying terrain during low-, moderate-, and high-intensity endurance training. 7th International Congress On Science And Skiing ; 2016-12-10 - 2016-12-15.
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PosterRasdal, Vegard; Fudel, Ronny; Kocbach, Jan; Moen, Frode; Ettema, Gerardus Johannes C; Sandbakk, Øyvind. (2016) Association between laboratory capacities and world-cup performance in nordic combined. Olympiatoppens forskningskonferanse . Olympiatoppen; Ullevål, Oslo. 2016-09-27 - 2016-09-27.
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PosterVandbakk, Kristine; Welde, Boye; Kruken, Andrea; Baumgart, Julia Kathrin; Ettema, Gertjan; Karlsen, Trine; Sandbakk, Øyvind. (2016) Effects of upper-body sprint-interval training on strength and endurance adaptations in female cross-country skiers. Olympiatoppens forskningskonferanse ; 2016-09-27.
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Vitenskapelig foredragWelde, Boye; Vandbakk, Kristine; Hovstein, Andrea; Baumgart, Julia Kathrin; Ettema, Gerardus Johannes C; Karlsen, Trine; Sandbakk, Øyvind. (2016) On the effects of upper-body sprint-interval training on maximal strength and aerobic Power in female cross-country skiers. 7th International Congress on Science and Skiing . University of Salzburg; St. Christoph a. Arlberg. 2016-12-10 - 2016-12-15.
2015
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Vitenskapelig foredragDanielsen, Jørgen; Sandbakk, Øyvind; Holmberg, H-C; Ettema, Gerardus Johannes C. (2015) Mechanical energy fluctuations and propulsion in double poling. 3rd International Congress on Science and Nordic Skiing ; Vuokatti. 2015-06-05 - 2015-06-08.
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PosterDanielsen, Jørgen; Sandbakk, Øyvind; McGhie, David; Ettema, Gertjan. (2015) Mechanical power and dynamics of uphill double-poling on roller-skis at different incline-speed combinations. Olympiatoppens forskningskonferanse 2018 ; 2015-09-25 - 2018-09-25.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Danielsen, Jørgen; Sandbakk, Øyvind. (2015) Comparison of center of mass energy fluctuations by use of force and motion capture recordings. 3rd International Congress on Science and Nordic Skiing ; Vuokatti. 2015-06-05 - 2015-06-08.
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PosterLuchsinger, Harri; Sandbakk, Øyvind; Ettema, Gerardus Johannes C; Baumeister, Jochen; Schubert, Michael. (2015) A comparison of brain activity during shooting among biathletes and cross-country skiers before and after vigorous exercise. Olympiatoppens forskningskonferanse . Olympiatoppen; Olympiatoppen Oslo. 2015-09-10 - 2015-09-10.
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PosterRasdal, Vegard; Bråten, Steinar; Moen, Frode; Ettema, Gerardus Johannes C; Sandbakk, Øyvind. (2015) How do world-class Nordic Combined athletes differ from specialized cross-country skiers and ski jumpers in sport-specific capacity and training characteristics?. Olympiatoppens Forskningskonferanse ; Oslo. 2015-09-10.
2014
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Faglig foredragBolger, Conor; Sandbakk, Øyvind; Ettema, Gerardus Johannes C; Federolf, Peter Andreas. (2014) Does the Position of the Hinge in Cross-country Ski Bindings Affect Muscle Activation in Skating?. 2nd International Congress on Sport Science Research and Technology Support, 2014, Rome, Italy. ; 2014-10-16 - 2014-10-18.
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PosterDanielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2014) Energy Fluctuations in Double Poling. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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Vitenskapelig foredragDanielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2014) Joint-specific power contribution at increasing double poling intensities. 19th Annual Congress of the ECSS ; 2014-07-02 - 2014-07-05.
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PosterDanielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2014) Relative power contributions in double poling. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Sandbakk, Øyvind. (2014) Efficiency in endurance exercise: efficiency of what?. 19th Annual Congress of the ECSS ; 2014-07-02 - 2014-07-05.
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PosterGrasaas, Christina Åsan; Ettema, Gerardus Johannes C; Hegge, Ann Magdalen; Skovereng, Knut; Sandbakk, Øyvind. (2014) Changes in technique and efficiency after high-intensity exercise during roller ski skating. Olympiatoppens Forskningskonferanse 2014, NIH, Oslo. ; 2014-09-18 - 2014-09-18.
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PosterHegge, Ann Magdalen; Bucher, E; Ettema, Gerardus Johannes C; Holmberg, Hans-Christer; Faude, Oliver; Sandbakk, Øyvind. (2014) A comparison of arm, upper body and whole body poling in male and female cross-country skiers. Olympiatoppens Forskningskonferanse 2014, NIH, Oslo. ; 2014-04-18 - 2014-04-18.
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Faglig foredragHegge, Ann Magdalen; Bucher, E; Ettema, Gerardus Johannes C; Sandbakk, Øyvind. (2014) Comparison of arm, upper body and whole body double poling in male and female cross-country skiers. 19th Annual Congress of the ECSS, Amsterdam, The Netherlands ; Amsterdam. 2014-07-02 - 2014-07-05.
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PosterHegge, Ann Magdalen; Ettema, Gerardus Johannes C; De Koning, Jos; Rognstad, Asgeir Bakken; Hoset, Martin; Sandbakk, Øyvind. (2014) The effects of the arm swing on biomechanical and physiological aspects of roller ski skating. Olympiatoppens Forskningskonferanse 2014, NIH, Oslo. ; 2014-09-18 - 2014-09-18.
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PosterSandbakk, Øyvind; Ettema, Gerardus Johannes C; Holmberg, Hans-Christer. (2014) Analysis of a sprint ski race and associated laboratory determinants of world-class performance. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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PosterSandbakk, Øyvind; Ettema, Gerardus Johannes C; Holmberg, Hans-Christer. (2014) Gender differences in endurance performance by elite cross-country skiers are influenced by the contribution from poling. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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Vitenskapelig foredragSandbakk, Øyvind; Holmberg, Hans-Christer; Ettema, Gerardus Johannes C. (2014) The role of gross mechanical efficiency in endurance sports. 19th Annual Congress of the ECSS ; 2014-07-02 - 2014-07-05.
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PosterSandbakk, Øyvind; Holmberg, Hans-Christer; Leirdal, Stig; Ettema, Gerardus Johannes C. (2014) The physiology of world-class sprint skiers. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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PosterSandbakk, Øyvind; Rønnestad, Bent; Hansen, Mads; Ettema, Gerardus Johannes C. (2014) Effects of heavy strength training on upper-body strength, power and sprint performance in ice sledge hockey. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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PosterSandbakk, Øyvind; Sandbakk, Silvana Bucher; Ettema, Gerardus Johannes C; Welde, Boye. (2014) Effects of intensity and duration in aerobic high-intensity interval training. Olympiatoppens Forskningskonferanse 2014 ; 2014-09-14.
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PosterSkovereng, Knut; Ettema, Gerardus Johannes C; Van Beekvelt, Mireille. (2014) Oxygen consumption in the whole body and the local muscles. Olympiatoppens Forskningskonferanse . NIH; OSLO. 2014-09-14 - 2014-09-14.
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Vitenskapelig foredragSkovereng, Knut; Van Beekvelt, Mireille; Ettema, Gerardus Johannes C. (2014) The effect of cadence on hip, knee and ankle contribution during cycling exercise. 19th ECSS Congress 2-5 July 2014 Amsterdam/NED . E U R O P E A N C O L L E G E O F S P O R T S C I E; Amsterdam. 2014-06-02 - 2014-06-05.
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PosterSkovereng, Knut; Welde, Boye; Ettema, Gerardus Johannes C; Sandbakk, Øyvind. (2014) Upper-body maximal strength and power predict sprint performance in Ice sledge-hockey. Olympiatoppens Forskningskonferanse . NIH; OSLO. 2014-09-14 - 2014-09-14.
2013
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Vitenskapelig foredragEttema, Gertja; Grasaas, Christina Åsan; Grasaas, Erik; Sandbakk, Øyvind. (2013) Changes in technique after high-intensity exercise during roller ski skating. 6th International congress of science and skiing ; 2013-12-14 - 2013-12-19.
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Vitenskapelig foredragEttema, Gertja; Skålvik, Tommy; Spencer, Matthew; Sandbakk, Øyvind. (2013) Performance and coordination in repeated sprint exercise for the upper body. 18th Annual Congress of the ECSS ; 2013-06-26 - 2013-06-29.
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Vitenskapelig foredragHegge, Ann Magdalen H. S.; Ettema, Gertja; Hoset, Martin; Rognstad, Asgeir Bakken; De Koning, Jos; Sandbakk, Øyvind. (2013) Physiological and biomechanical analysis of the arm swing in roller ski skating. 15th Annual Congress of the ECSS, Barcelona, Spain ; Barcelona. 2013-06-26 - 2013-06-29.
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PosterHegge, Ann Magdalen H. S.; Ettema, Gertja; Sandbakk, Øyvind. (2013) Determinants of a 3-min all-out upper body poling exercise in elite cross-country skiers. 6th International Congress on Science and Skiing, St. Christoph a. Arlberg, Austria ; St. Christoph a. Arlberg. 2013-12-14 - 2013-12-19.
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Vitenskapelig foredragHegge, Ann Magdalen H. S.; Holmberg, Hans-Christer; Ettema, Gertja. (2013) Comparison of the G3 and G4 skating techniques in cross-country skiing. 6th International Congress on Science and Skiing, St. Christoph a. Arlberg, Austria ; St. Christoph a. Arlberg. 2013-12-14 - 2013-12-19.
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Vitenskapelig foredragSandbakk, Øyvind; Hansen, Mads; Rønnestad, Bent; Ettema, Gertjan. (2013) Effects of heavy strength training on upper-body strength, power and sprint performance in ice sledge hockey. European College of Sport Science ; Barcelona. 2013-06-26 - 2013-06-29.
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Vitenskapelig foredragSkovereng, Knut; Ettema, Gertja; Beekvelt, Mireille V.; Sandbakk, Øyvind. (2013) Pulmonary oxygen consumption and oxygenation of upper-body muscles during isolated upper body poling at different exercise intensities. 18th Annual Congress of the ECSS ; 2013-06-26 - 2013-06-29.
2012
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PosterMcGhie, David; Ettema, Gerardus Johannes C. (2012) Biomechanical analysis of traction at the shoe-surface interface on third generation artificial turf. The Engineering of Sport 9 ; Lowell, MA. 2012-07-09 - 2012-07-13.
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PosterPeters, Marlijn; van Weerdenburg, Ingrid J; Geurts, Alexander C; Ettema, Gerardus Johannes C; Vereijken, Beatrix. (2012) Postural steadiness during tandem stance: The influence of foot positioning and weight distribution on center of gravity and center of pressure trajectories. Joint World Congress of Gait & Mental Function ; Trondheim. 2012-06-24 - 2012-06-28.
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PosterSandbakk, Øyvind; Bucher Sandbakk, Silvana; Ettema, Gerardus Johannes C; Welde, Boye. (2012) Effects of intensity and duration in aerobic high-intensity interval training. 2nd International Conference of Science in Nordic Skiing . University of Jyväskylä; Vuokatti. 2012-05-25 - 2012-05-31.
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Vitenskapelig foredragSandbakk, Øyvind; Bucher Sandbakk, Silvana; Skovereng, Knut; Welde, Boye; Ettema, Gerardus Johannes C. (2012) The Physiology of World Class Sledge Ice-Hockey. 17th Annual Congress of the ECSS ; Bruges. 2012-07-04 - 2012-07-07.
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Vitenskapelig foredragSandbakk, Øyvind; Ettema, Gerardus Johannes C; Holmberg, Hans-Christer. (2012) The contribution from poling increases gender differences in elite cross-country skiers. 2nd international conference of science in nordic skiing ; 2012-05-28 - 2012-05-31.
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PosterSkovereng, Knut; Ettema, Gerardus Johannes C; Welde, Boye; Sandbakk, Øyvind. (2012) Relationships between Upper-Body Maximal Strength, Power and Sprint Performance in Sledge Ice-Hockey. 17th Annual Congress of the ECSS ; Bruges. 2012-07-04 - 2012-07-07.
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Vitenskapelig foredragvan den Tillaar, Roland; Sæterbakken, Atle Hole; Ettema, Gerardus Johannes C. (2012) A comparison of muscle activation between maximum pure concentric and counter movement bench pressing. XXX International Symposium on Biomechanics in Sports 2012. Melbourne, Australia 01.07-5.07.12. . ACU; Melbourne. 2012-07-01 - 2012-07-05.
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Postervan Weerdenburg, Ingrid J; Peters, Marlijn; Geurts, Alexander C; Vereijken, Beatrix; Ettema, Gerardus Johannes C. (2012) The influence of foot dominance and task on the trajectory of CoP and CoG in planned gait termination. Joint World Congress of Gait & Mental Function ; Trondheim. 2012-06-24 - 2012-06-28.
2011
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Vitenskapelig foredragAune, Tore Kristian; Aune, Morten Andreas; Ettema, Gerardus Johannes C; Vereijken, Beatrix. (2011) Larger bilateral force deficit in proximal than distal joints might be linked to differences in interhemispheric communication. 16th Annual Congress of the European College of Sport Science . European College of Sport Science; Liverpool. 2011-07-06 - 2011-07-09.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Sandbakk, Øyvind; Leirdal, Stig. (2011) Maximal aerobic capacity and efficiency in world class sprint skiers using the double poling and G3 skating technique. 16th Annual Congress of the European College of Sport Science ; 2011-07-06 - 2011-07-09.
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Vitenskapelig foredragLeirdal, Stig; Ettema, Gerardus Johannes C. (2011) Pedaling technique and energy cost in cycling. 16th Annual Congress of the European College of Sport Science ; 2011-07-06 - 2011-07-09.
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Vitenskapelig foredragSandbakk, Øyvind; Ettema, Gerardus Johannes C; Holmberg, Hans-Christer. (2011) Effects of Speed and Slope on Ski Skating Efficiency and Kinematics. 58th Annual Meeting and 2nd World Congress on Exercise is Medicine ; Denver. 2011-05-31 - 2011-06-04.
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Vitenskapelig foredragSandbakk, Øyvind; Ettema, Gerardus Johannes C; Løkke, Trine Beate; Holmberg, Hans-Christer. (2011) The impact of pole propulsion on kinematics and fatigue in roller ski skating. 16th Annual Congress of the European College of Sport Science ; Liverpool. 2011-07-06 - 2011-07-09.
2010
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Vitenskapelig foredragSandbakk, Øyvind; Ettema, Gerardus Johannes C; Leirdal, Stig; Holmberg, Hans-Christer. (2010) Physiological gender differences associated with sprint skiing performance. 5th International Congress on Science and Skiing - ICSS 2010 . University of Salzburg; Arlberg. 2010-12-14 - 2010-12-19.
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PosterSandbakk, Øyvind; Leirdal, Stig; Ettema, Gerardus Johannes C. (2010) Effect of frequency in roller ski skating. 5th International Congress on Science and Skiing - ICSS 2010 . University of Salzburg; Arlberg. 2010-12-14 - 2010-12-19.
2009
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PosterEttema, Gerardus Johannes C. (2009) Inertial loading in level and uphill cycling. 11th International Conference of Sport Kinetics . Aristotle University of Thessaloniki, Lab of Sport Biomechan; Kallithea, Chalkidiki. 2009-09-25 - 2009-09-27.
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Vitenskapelig foredragEttema, Gerardus Johannes C; McGhie, David; Olsen, Kristian Killi; Lillemark, Kristian. (2009) The effect of body orientation om cycling technique. 14th Annual Congress of the ECSS . Norwegian School of Sport Sciences; Oslo. 2009-06-24 - 2009-06-27.
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PosterEttema, Gerardus Johannes C; Sandbakk, Øyvind; Leirdal, Stig; Holmberg, HC. (2009) Efficiency at high work rates in world class skiers. 14th Annual Congress of the ECSS . Norwegian School of Sport Sciences; Oslo. 2009-06-24 - 2009-06-27.
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Vitenskapelig foredragLeirdal, Stig; Ettema, Gerardus Johannes C. (2009) Freely chosen cadence and gross efficiently during ergometer and free bicycling. 14th Annual Congress of the ECSS . Norwegian School of Sport Sciences; Oslo. 2009-06-24 - 2009-06-27.
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Vitenskapelig foredragLeirdal, Stig; Ettema, Gerardus Johannes C. (2009) On the relationship between gross efficiency and force effectiveness during ergometer cycling. 11th International Conference of Sport Kinetics . Aristotle University of Thessaloniki, Lab of Sport Biomechan; Kallithea, Chalkidiki. 2009-09-25 - 2009-09-27.
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PosterLeirdal, Stig; Sandbakk, Øyvind; Holmberg, HC; Ettema, Gerardus Johannes C. (2009) Sub-maximal efficiency during roller ski skating. 14th Annual Congress of the ECSS . Norwegian School of Sport Science; Oslo. 2009-06-24 - 2009-06-27.
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PosterSandbakk, Øyvind; Leirdal, Stig; Holmberg, HC; Ettema, Gerardus Johannes C. (2009) The physiology of world class sprint skiers. 14th Annual Congress of the ECSS . Norwegian School of Sport Sciences; Oslo. 2009-06-24 - 2009-06-27.
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PosterSommervoll, Yngve; Ettema, Gerardus Johannes C; Vereijken, Beatrix. (2009) Dual tasking: The effect of task, frequency, and age on variability of finger tapping. Progress in Motor Control VII . International Society of Motor Control; Marseille. 2009-07-23 - 2009-07-25.
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Vitenskapelig foredragvan den Tillaar, Roland; Ettema, Gerardus Johannes C. (2009) Acomparison of successful and unsuccessful attempts in 1RM bench press. 14th Annual Congress of the ECSS . Norwegian Scholl of Sport Sciences; Oslo. 2009-06-24 - 2009-06-27.
2008
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Vitenskapelig foredragOggiano, Luca; Sætran, Lars Roar; Leirdal, Stig; Ettema, Gerardus Johannes C. (2008) Aerodynamic optimization and energy saving of cycling postures for international elite level cyclists. 7th ISEA CONFERENCE 2008 ; 2008-06-02 - 2008-06-02.
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PosterSommervoll, Yngve; Ettema, Gerardus Johannes C. (2008) The effect of gender and training experience on body segments’ contribution in overarm throwing. 2nd Congress of Complex System in Sports, 10th European Workshop of Ecological Psychology . Institute of Sport of the Autonomous Region of Madeira; Funchal, Madeira. 2008-11-05 - 2008-11-08.
2006
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2006) On the proximal-distal sequence in explosive actions: the role of transfer of momentum. Nordisk Konferanse i Bevegelsesvitenskap 2006 . Program for bevegelsesvitenskap, NTNU; Trondheim. 2006-10-26 - 2006-10-27.
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Vitenskapelig foredragSommervoll, Yngve; Ettema, Gerardus Johannes C. (2006) A comparison of male throwing athletes and unskilled males in fast overarm throws. Nordisk Konferanse i Bevegelsesvitenskap 2006 . Program for bevegelsesvitenskap, NTNU; Trondheim. 2006-10-26 - 2006-10-27.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C. (2006) A comparison of performance and kinematics in throwing with the dominant and non-dominant arm in handball players. The XXIV International Symposium on Biomechanics in Sports . Dep. of Sport Science, University of Salzburg; Salzburg. 2006-07-14 - 2006-07-18.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C. (2006) The sticking point in bench pressing. Nordisk Konferanse i Bevegelsesvitenskap 2006 . Program for bevegelsesvitenskap, NTNU; Trondheim. 2006-10-26 - 2006-10-27.
2005
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Vitenskapelig foredragLeirdal, Stig; Ettema, Gerardus Johannes C; Bråten, Steinar; Kvålsvoll, Atle. (2005) Analyses of technique in cycling: A pilot study. BIOMOVE . NTNU, Program for bevegelsesvitenskap; Trondheim. 2005-10-25 - 2005-10-25.
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Vitenskapelig foredragLeirdal, Stig; Ettema, Gerardus Johannes C; Bråten, Steinar; Kvålsvoll, Atle. (2005) Analyses of technique in cycling: A pilot study. Nordisk konferanse om bevegelsesanalyse . Norges idrettshøgskole; Oslo. 2005-11-17 - 2005-11-18.
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Vitenskapelig foredragOterhals, Geir; Ettema, Gerardus Johannes C. (2005) Bilateral Deficit in Human Jumping Performance. Biomove . NTNU - Program for bevegelsesvitenskap; Trondheim. 2005-10-25 - 2005-10-25.
2004
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2004) Computer simulation of ski jumping: Furthering our understanding of task constraints. Forskningsseminar bevegelsesvitenskap, NTNU ; 2004-08-26.
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Populærvitenskapelig foredragEttema, Gerardus Johannes C; Roeleveld, Karin. (2004) Prøv deg på skihoppsimulator. Forskningstorget ; Trondheim. 2004-09-15 - 2004-09-18.
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Vitenskapelig foredragLeirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Bråten, Steinar; Løset, Sveinung; Vereijken, Beatrix; Ettema, Gerardus Johannes C. (2004) Influence of body position on performance in sprint cross-country ski skating. International Conference of Sport Sciences ; 2004-03-01.
2003
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Vitenskapelig foredragBråten, S.; Ettema, Gerardus Johannes C. (2003) Funksjonell feedback i teknikktrening. Nordisk konferanse i bevegelsesvitenskap 2003 . [Mangler data]; Trondheim, Norway. 2003-10-31.
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Vitenskapelig foredragBråten, S.; Ettema, Gerardus Johannes C. (2003) Skihopp - prøving eller læring?. Nordic Conference in Movement Science, 2003 . [Mangler data]; Trondheim, Norway. 2003-10-31.
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Vitenskapelig foredragBrændvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2003) Adaptions following a transtibal amputation - The emergence of new muscle and joint assemblies. XV International Interbor Congrass on prosthetics and ortotics . [Mangler data]; Budapest. 2003-06-04.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2003) Computer simulation of movement dynamics in research and teaching. Nordisk konferanse i bevegelsesvitenskap 2003 . [Mangler data]; Trondheim, Norway. 2003-10-31.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Tillaar, Roland van den; Kristensen, Geir Olav. (2003) Speed specificity in sprint training. 8th Annual Congress of the European College of Sport Science . [Mangler data]; Salzburg. 2003-07-12.
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PosterLeirdal, Stig; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2003) Power traning and bi-articular muscle function in vertical jumping. ECSS Salzburg 2003, 8th annual congress european college of sport science . [Mangler data]; Salzburg, Austria. 2003-07-12.
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Vitenskapelig foredragTillaar, Roland van den; sæterbakken, Atle; Manger, Kyrre; Ettema, Gerardus Johannes C. (2003) Influence of instruction on velocity and accuracy of overarm throwing in novices. Nordic conference in Human Movement Sciences; Nordisk konferense i bevegelsesvitenskap . [Mangler data]; Trondheim. 2003-10-31.
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Populærvitenskapelig foredragEttema, Gerardus Johannes C; Leirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Vereijken, Beatrix; Bråten, S.; Løset, Sveinung. (2003) Sprint Langrenn og Teknikk - Kroppsposisjon, luftmotstand, effekt og kostnad. OLT-fagmøte - langrenn . [Mangler data]; Toppidrettssenteret, Oslo. 2003-12-03.
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Vitenskapelig foredragLeirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Vereijken, Beatrix; Bråten, S.; Løset, S.; Ettema, Gerardus Johannes C. (2003) Influence of body position on performance in sprint cross-country ski skating. Nordisk konferanse i Bevgelsesvitenskap, NKB 2003 . [Mangler data]; Trondheim. 2003-10-31.
2002
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Vitenskapelig foredragBrandvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Neuro-muscular adaptation following a below knee amputation. Symposium for Bevegelsesanalyse . [Mangler data]; Oslo, Norge. 2002-10-18.
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PosterBrandvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Neuro-muscular adaptation following a below knee amputation. XIVth Congress of the International Society of Electrophysiology and Kinesiology "Standardization for a better exchange of ideas" . [Mangler data]; Vienna, Austria. 2002-06-25.
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Populærvitenskapelig foredragEttema, Gerardus Johannes C; Tegdan, Trine. (2002) Bevegelsesvitenskap ved NTNU. [Mangler data] . Fysiotherapiforbundets avdeling i Nord-Trøndelag; Stjørdal. 2002-10-02.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Tegdan, Trine; Roeleveld, Karin. (2002) Fatigue and muscle coordination in subjects with patellofemoral pain syndrome. IVth World Congress of Biomechanics, August 4-9 2002, Calgary Canada. . [Mangler data]; Calgary. 2002-08-09.
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Vitenskapelig foredragLeirdal, Stig; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Power training and biarticular muscle function in vertical jumping. Symposium for Bevegelsesanalyse . [Mangler data]; Oslo, Norge. 2002-10-18.
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Vitenskapelig foredragTegdan, Trine; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Fatigue and muscle coordination in subjects with patellofemoral pain syndrome. Symposium for Bevegelsesanalyse . [Mangler data]; Oslo, Norge. 2002-10-18.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C. (2002) The proximal-distal sequence in overarm throwing and the effect of ball weight. IV World Congress Biomechanics, 4-9 August, 2002 . [Mangler data]; Calgary. 2002-08-09.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C; Gløssen, Tommy. (2002) Effect of three different strength training programs with the same workload on velocity in overarm throwing. 3rd international conference on strength traning; Strength training in sport and Rehabilitation . [Mangler data]; Budapest, Hungary. 2002-11-17.
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Vitenskapelig foredragFiskvik, A.; Vereijken, Beatrix; Ettema, Gerardus Johannes C; Pedersen, Arve Vorland; Bongaardt, Robert. (2002) The body in motion as a scientific phenomenon. International conference on cognitive aspects of dance ; Trondheim. 2002-01-01 - 2002-01-15.
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Vitenskapelig foredragHoltermann, Andreas; Roeleveld, Karin; Vereijken, Beatrix; Ettema, Gerardus Johannes C. (2002) Neural adaptations during learning a strength task. Symposium for Bevegelsesanalyse . [Mangler data]; Oslo, Norge. 2002-10-18.
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Vitenskapelig foredragHoltermann, Andreas; Roeleveld, Karin; Vereijken, Beatrix; Karlsson, J Stefan; Ettema, Gerardus Johannes C. (2002) Neural adaptations during learning a strength task. International society for elektromyography and kinesiology . [Mangler data]; vienna, austria. 2002-06-15.
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Populærvitenskapelig foredragVereijken, Beatrix; Ettema, Gerardus Johannes C. (2002) Bevegelsesvitenskap, hester og terapi. annual meeting of the fagforum for terapiridning . [Mangler data]; bratsberg, Trondheim. 2002-04-15.
2001
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Vitenskapelig foredragBrandvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2001) Nevro-muskulære tilpasninger etter en leggamputasjon. tverrfaglig symposium . [Mangler data]; Jønkøping, Sverige. 2001-11-13.
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Populærvitenskapelig foredragEttema, Gerardus Johannes C. (2001) Bevegelseslære og anatomi. Møte av Rådet for folkemusikk og folkedans, NTNU . [Mangler data]; Trondheim. 2001-03-11.
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PosterEttema, Gerardus Johannes C. (2001) Muscle activation of quadriceps femoris in subjects with patellofemoral pain syndrome and healthy subjects when fatigued. Idrettsmedisinsk Høstkongress . [Mangler data]; Oslo. 2001-11-04.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2001) Muscle force generation and stability in explosive actions. 6th Annual Congress of the European College of Sport Science . [Mangler data]; Cologne. 2001-07-28.
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Vitenskapelig foredragHaukvik, Ingrid Vee; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2001) Comparison of coordination in vertical jumping in adults and young children. XVIII th International Congress of Biomechanics . [Mangler data]; Zurich. 2001-07-13.
2000
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2000) Bewegingswetenschappen in Trondheim - mogelijkheden en begrenzingen. [Mangler data] . Institute for fundamental and clinical human movement sciences (IFKB),; Amsterdam. 2000-11-17.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - I: Kraft i bevegelse. [Mangler data] . HiST - Institutt for fysioterapeututdanning; Trondheim. 2000-11-07.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - II: Mekanikk og vev. [Mangler data] . HiST - Institutt for fysioterapeututdanning; Trondheim. 2000-11-10.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - III: Musklel. [Mangler data] . HiST - Institutt for fysioterapeututdanning; Trondheim. 2000-12-04.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C. (2000) Influence of instruction on velocity and coordination of overarm throwing in handball. International Conference on Motor control,Bielsko-Biata, Poland, 27-29 November 2000 . [Mangler data]; Bielsko-Biata. 2000-10-29.
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Vitenskapelig foredragTillaar, Roland van den; Ettema, Gerardus Johannes C. (2000) Influences of instruction on velocity and accuracy of overarm throwing. Fifth Annual Congress of the European College of Sport Science, Jyväskylä Finland, 19-23 July 2000. . [Mangler data]; Jyväskylä, Finland. 2000-07-23.
1999
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1999) Biological Factors in Human Movement - The importance of being biological. Human Movement Science in Perspective . [Mangler data]; Trondheim. 1999-05-06.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1999) Motor Control: structure-action-function. [Mangler data] . Norges Idrettshøgskole - IFIB; Oslo. 1999-10-04.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1999) Muscle coordination in movement: lessons learned from static actions. International Research Course on Dance, Culture and Human Movement Science . [Mangler data]; Trondheim. 1999-11-17.
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Vitenskapelig foredragKippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Musculoskeletal constraints in motor control. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management & Rehabilitation . [Mangler data]; 1-3 May, Coolum.
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Vitenskapelig foredragKippers, Vaughan; Ettema, Gerardus Johannes C; Taylor, Emma; North, David. (1999) Muscular control of attempted movements at joints with two degrees of freedom. Fifth IOC World Congress . [Mangler data]; Sydney.
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Vitenskapelig foredragNorth, David; Kippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Muscular control of combined knee movements. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management . [Mangler data]; Coolum.
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Vitenskapelig foredragTaylor, Emma; Kippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Muscular control of complex elbow movements. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management . [Mangler data]; Coolum.
1998
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Populærvitenskapelig foredragEttema, Gerardus Johannes C. (1998) Controlling Ground Reaction Force. Human Movement Science Seminar 1998 . [Mangler data]; Trondheim. 1998-03-27.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1998) Hill-type muscle models and an alternative describing contraction history. Third World Congress of Biomechanics . [Mangler data]; Sapporo.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion I: muscle properties. [Mangler data] . Department of Anatomical Sciences, The University of Queensland; Brisbane. 1998-09-03.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion II: Muscle as engine or spring. [Mangler data] . Department of Anatomical Sciences, The University of Queensland; Brisbane. 1998-09-03.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion III: Locomotion styles. [Mangler data] . Department of Anatomical Sciences, The University of Queensland; Brisbane. 1998-09-08.
1997
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1997) Muscle stiffness : significance in motor control. Biannual Conference of the Department of Biomedical Sciences, U niversity of Sydney (1997-10-02/04) . [Mangler data]; Sydney.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1997) Muscle stiffness: significance in motor control. 11th biennial Conference of the Department of Biomedical Sciences of the Faculty of Health sciences . [Mangler data]; Sydney. 1997-10-04.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1997) Series elastic energy in stretch-shortening cycle. 11th Biennial Conference of the Department of Biomedical Sciences of the Faculty of Health sciences . [Mangler data]; Sydney. 1997-10-04.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1997) Series elastic energy in stretch-shortening cycle. Biannual Conference of the Department of Biomedical Sciences, U niversity of Sydney (1997-10-02/04) . [Mangler data]; Sydney.
1996
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1996) Effects of muscle fatigue on series elastic stiffness and mechanical efficiency in skeletal muscle. Proceedings of The Eleventh Congress of the International Society of Electrophysiological Kinesiology . [Mangler data]; Enschede, The Netherlands. 1996-10-30.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1996) Misconceptions in skeletal muscle function introduced by level-one gross anatomy teaching. The 1996 Conference of the Anatomical Society of Australia and New Zealand, Brisbane . [Mangler data]; Brisbane. 1996-07-12.
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Vitenskapelig foredragEttema, Gerardus Johannes C. (1996) Muscle length in bipedal and quadrupedal animals in relation to locomotor behaviour. The First Australasian Biomechanics Conference . [Mangler data]; Sydney. 1996-02-02.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Blowers, Alan. (1996) Advances in artificial stimulation of muscle using a direct current block. Proceedings of The Eleventh Congress of the International Society of Electrophysiological Kinesiology . [Mangler data]; Enschede, The Netherlands. 1996-10-30.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Kippers, Vaughan; Weinrauch, Patrick. (1996) Influence of hip rotation on activation of individual human thigh muscles during isometric knee extensor exercises. The Eleventh Congress of the International Society of Electrophysiological Kinesiology . [Mangler data]; Enschede, The Netherlands. 1996-10-30.
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Vitenskapelig foredragEttema, Gerardus Johannes C; Weinrauch, Patrick; Kippers, Vaughan. (1996) Influence of hip rotation on coordination of knee extensor exercises. The 1996 Conference of the Anatomical Society of Australia and New Zealand . [Mangler data]; Brisbane. 1996-07-12.