2023

• Poster
  Dalen, Terje; Aune, Tore Kristian; Hjelde, Geir Håvard; Ettema, Gertjan; Sandbakk, Øyvind Bucher; McGhie, David Caley Ruud. (2023) Similarity of player load patterns between positions and matches in elite soccer. . World Congress on Science & Football WCSF , Groningen 2023-05-24 - 2023-05-26

2022

• Vitenskapelig foredrag
  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. Mid Sweden University, NTNU, Nord University Nordic Winter Sports Conference , Østersund 2022-10-03 - 2022-10-04

2021

• Vitenskapelig foredrag
  Ettema, Gertjan. (2021) Humans are not designed for cycling - right?. Rodrigo Bini Cycling Research Network , nett 2021-09-20 - 2021-09-20

2020

• Vitenskapelig foredrag
  Seeberg, Trine Margrethe; Kocbach, Jan; Noordhof, Dionne; Danielsen, Jørgen; Haugnes, Pål ; Skovereng, Knut. (2020) COMPARISON OF SUB-TECHNIQUE UTILIZATION, KINEMATICS AND PHYSIOLOGICAL RESPONSES BETWEEN LOW- AND HIGH-INTENSITY ROLLER SKI SKATING. ECSS ECSS Conference , Online 2020-10-28 - 2020-10-30
• Vitenskapelig foredrag
  Noordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Danielsen, Jørgen; Skovereng, Knut; Haugnes, Pål . (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

2019

• Poster
  Skovereng, Knut; Haugnes, Pål ; Seeberg, Trine Margrethe; Noordhof, Dionne; Ettema, Gertjan; Sandbakk, Øyvind. (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
• Vitenskapelig foredrag
  Skovereng, Knut; Haugnes, Pål ; Seeberg, Trine Margrethe; Noordhof, Dionne; Sandbakk, Øyvind; Ettema, Gertjan. (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
• Vitenskapelig foredrag
  Ettema, Gertjan; Braaten, Steinar. (2019) Optimising performance in ski jumping. . Nordic Winter Sports Conference , Meråker 2019-05-09 - 2019-05-10
• Vitenskapelig foredrag
  Danielsen, 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
• Vitenskapelig foredrag
  Ettema, Gertjan. (2019) Sub-techniques in classic and freestyle cross-country skiing – what factors play a role in which to choose?. Human Movement Science, Rijksuniversiteit Groningen, UMCG Groningen Lectures in Movement Science , Groningen 2019-10-17 - 2019-10-17
• Poster
  Danielsen, Jørgen; Haugnes, Pål ; Noordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Ettema, Gertjan. (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
• Poster
  Danielsen, Jørgen; Haugnes, Pål ; Noordhof, Dionne; Seeberg, Trine Margrethe; Kocbach, Jan; Ettema, Gertjan. (2019) Proskida pole force measurements during cross-country skiing. Poster presentation. Olympiatoppen Olympiatoppens forskningskonferanse , Oslo 2019-09-25 - 2019-09-25
• Poster
  Skovereng, Knut; Haugnes, Pål ; Seeberg, Trine Margrethe; Noordhof, Dionne; Ettema, Gertjan; Kocbach, Jan. (2019) Comparison of muscle oxygenation during different sub-techniques in ski-skating. Olympiatoppen Olympiatoppens forskningskonferanse , Oslo 2019-09-25 - 2019-09-25

2018

• Vitenskapelig foredrag
  Almquist, 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
• Vitenskapelig foredrag
  McGhie, David; Østerås, Sindre; Ettema, Gertjan; Paulsen, Gøran; Sandbakk, Øyvind. (2018) Strength determinants of jump height in the jump throw movement in women handball players. ECSS Congress of the European College of Sport Science , Dublin 2018-07-04 - 2018-07-07
• Poster
  Skovereng, 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
• Vitenskapelig foredrag
  Kolsung, 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

2017

• Poster
  Skovereng, Knut; Ettema, Gertjan; Aasvold, Lorents Ola. (2017) Low cadence increases hip joint contribution during cycling at different power outputs. Olympiatoppen Olympiatoppens forskningskonferanse , Oslo 2017-09-12 - 2017-09-12
• Faglig foredrag
  Sandbakk, Øyvind; Ettema, Gertjan. (2017) Motion capture in elite sport athletes. GEMS, NTNU Seminar GEMS , St.Olavs Hospital 2017-11-27 -
• Poster
  McGhie, David; Sandbakk, Øyvind; Ettema, Gertjan; Gøran, Paulsen; Østerås, Sindre. (2017) Determinants of sport-specific jump height in female handball players. Olympiatoppen Olympiatoppens research conference 2017 , Oslo 2017-09-13 - 2017-09-13
• Vitenskapelig foredrag
  Aasvold, 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
• Poster
  Skovereng, Knut; Aasvold, Lorents Ola; Ettema, Gertjan. (2017) On the effect of changing handgrip position during cycling at different power outputs. Olympiatoppen Olympiatoppens forskningskonferanse , Oslo 2017-09-12 - 2017-09-12
• Vitenskapelig foredrag
  Skovereng, 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
• Poster
  Baumgart, 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
• Poster
  Baumgart, 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
• Poster
  McGhie, David; Sandbakk, Øyvind; Østerås, Sindre; Ettema, Gertjan. (2017) Is there a trade-off between maximum jumping and throwing capability in the handball jump throw?. Olympiatoppen Olympiatoppens research conference 2017 , Oslo 2017-09-13 - 2017-09-13
• Poster
  Luchsinger, Harri; Kocbach, Jan; Ettema, Gertjan; Sandbakk, Øyvind. (2017) Comparison of Performance-Levels and Sex on Sprint Race Performance in the Biathlon World Cup. Olympiatoppen Olympiatoppens forskningskonferanse , Oslo 2017-09-13 -
• Vitenskapelig foredrag
  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?. The Swedish Winter Sports Research Centre NVC conference, Performance in snow sports: Translating science into practice , Åre 2017-10-05 - 2017-10-06
• Poster
  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?. Olympiatoppen Olympiatoppens Forskningskonferanse 2017 , Oslo 2017-09-13 -
• Faglig foredrag
  Baumgart, 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
• Vitenskapelig foredrag
  Ettema, 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
• Vitenskapelig foredrag
  Ettema, Gertjan; Øksnes, Magne; Kveli, Espen; Sandbakk, Øyvind. (2017) The effect of fatigue on choice of technique and physiological response in cross-country skiing. NVC NVC conference “Performance in snow sports: Translating science into practice” , Åre 2017-10-05 - 2017-10-06

2016

• Vitenskapelig foredrag
  Danielsen, 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
• Poster
  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. Olympiatoppens forskningskonferanse 2016 2016-09-27 - 2016-09-27
• Vitenskapelig foredrag
  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. 7th International Congress On Science And Skiing 2016-12-10 - 2016-12-15
• Poster
  Vandbakk, Kristine; Welde, Boye; Kruken, Andrea; Baumgart, Julia Kathrin; Ettema, Gertjan; Karlsen, Trine. (2016) Effects of upper-body sprint-interval training on strength and endurance adaptations in female cross-country skiers. Olympiatoppens forskningskonferanse 2016-09-27 -
• Poster
  Ettema, 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 -
• Poster
  Rasdal, 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. Olympiatoppen Olympiatoppens forskningskonferanse , Ullevål, Oslo 2016-09-27 - 2016-09-27
• Vitenskapelig foredrag
  Welde, Boye; Vandbakk, Kristine; Hovstein, Andrea; Baumgart, Julia Kathrin; Ettema, Gerardus Johannes C; Karlsen, Trine. (2016) On the effects of upper-body sprint-interval training on maximal strength and aerobic Power in female cross-country skiers. University of Salzburg 7th International Congress on Science and Skiing , St. Christoph a. Arlberg 2016-12-10 - 2016-12-15

2015

• Poster
  Rasdal, 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 -
• Vitenskapelig foredrag
  Danielsen, 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
• Vitenskapelig foredrag
  Ettema, 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
• Poster
  Luchsinger, 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. Olympiatoppen Olympiatoppens forskningskonferanse , Olympiatoppen Oslo 2015-09-10 - 2015-09-10
• Poster
  Danielsen, 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

2014

• Faglig foredrag
  Hegge, 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
• Poster
  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. Olympiatoppens Forskningskonferanse 2014, NIH, Oslo. 2014-09-18 - 2014-09-18
• Vitenskapelig foredrag
  Skovereng, Knut; Van Beekvelt, Mireille; Ettema, Gerardus Johannes C. (2014) The effect of cadence on hip, knee and ankle contribution during cycling exercise. 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 19th ECSS Congress 2-5 July 2014 Amsterdam/NED , Amsterdam 2014-06-02 - 2014-06-05
• Faglig foredrag
  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?. 2nd International Congress on Sport Science Research and Technology Support, 2014, Rome, Italy. 2014-10-16 - 2014-10-18
• Poster
  Grasaas, 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
• Poster
  Hegge, 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
• Poster
  Skovereng, Knut; Ettema, Gerardus Johannes C; Van Beekvelt, Mireille. (2014) Oxygen consumption in the whole body and the local muscles. NIH Olympiatoppens Forskningskonferanse , OSLO 2014-09-14 - 2014-09-14
• Poster
  Skovereng, Knut; Welde, Boye; Ettema, Gerardus Johannes C; Sandbakk, Øyvind. (2014) Upper-body maximal strength and power predict sprint performance in Ice sledge-hockey. NIH Olympiatoppens Forskningskonferanse , OSLO 2014-09-14 - 2014-09-14
• Vitenskapelig foredrag
  Ettema, 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
• Poster
  Danielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2014) Energy Fluctuations in Double Poling. Olympiatoppens Forskningskonferanse 2014 2014-09-14 -
• Poster
  Danielsen, Jørgen; Sandbakk, Øyvind; Ettema, Gerardus Johannes C. (2014) Relative power contributions in double poling. Olympiatoppens Forskningskonferanse 2014 2014-09-14 -
• Poster
  Sandbakk, 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 -
• Poster
  Sandbakk, 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 -
• Poster
  Sandbakk, 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 -
• Poster
  Sandbakk, Øyvind; Holmberg, Hans-Christer; Leirdal, Stig; Ettema, Gerardus Johannes C. (2014) The physiology of world-class sprint skiers. Olympiatoppens Forskningskonferanse 2014 2014-09-14 -
• Vitenskapelig foredrag
  Sandbakk, 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
• Vitenskapelig foredrag
  Danielsen, 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
• Poster
  Sandbakk, 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 -

2013

• Vitenskapelig foredrag
  Ettema, 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
• Vitenskapelig foredrag
  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. 18th Annual Congress of the ECSS 2013-06-26 - 2013-06-29
• Vitenskapelig foredrag
  Hegge, 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
• Poster
  Hegge, 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
• Vitenskapelig foredrag
  Ettema, 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
• Vitenskapelig foredrag
  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. European College of Sport Science , Barcelona 2013-06-26 - 2013-06-29
• Vitenskapelig foredrag
  Hegge, 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

2012

• Poster
  McGhie, 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
• Vitenskapelig foredrag
  van 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. ACU XXX International Symposium on Biomechanics in Sports 2012. Melbourne, Australia 01.07-5.07.12. , Melbourne 2012-07-01 - 2012-07-05
• Vitenskapelig foredrag
  Sandbakk, 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
• Poster
  Sandbakk, Øyvind; Bucher Sandbakk, Silvana; Ettema, Gerardus Johannes C; Welde, Boye. (2012) Effects of intensity and duration in aerobic high-intensity interval training. University of Jyväskylä 2nd International Conference of Science in Nordic Skiing , Vuokatti 2012-05-25 - 2012-05-31
• Vitenskapelig foredrag
  Sandbakk, 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
• Poster
  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 , Bruges 2012-07-04 - 2012-07-07
• Poster
  van 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
• Poster
  Peters, 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

2011

• Vitenskapelig foredrag
  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 European College of Sport Science 2011-07-06 - 2011-07-09
• Vitenskapelig foredrag
  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 European College of Sport Science , Liverpool 2011-07-06 - 2011-07-09
• Vitenskapelig foredrag
  Sandbakk, 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
• Vitenskapelig foredrag
  Leirdal, 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
• Vitenskapelig foredrag
  Aune, 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. European College of Sport Science 16th Annual Congress of the European College of Sport Science , Liverpool 2011-07-06 - 2011-07-09

2010

• Poster
  Sandbakk, Øyvind; Leirdal, Stig; Ettema, Gerardus Johannes C. (2010) Effect of frequency in roller ski skating. University of Salzburg 5th International Congress on Science and Skiing - ICSS 2010 , Arlberg 2010-12-14 - 2010-12-19
• Vitenskapelig foredrag
  Sandbakk, Øyvind; Ettema, Gerardus Johannes C; Leirdal, Stig; Holmberg, Hans-Christer. (2010) Physiological gender differences associated with sprint skiing performance. University of Salzburg 5th International Congress on Science and Skiing - ICSS 2010 , Arlberg 2010-12-14 - 2010-12-19

2009

• Vitenskapelig foredrag
  Leirdal, Stig; Ettema, Gerardus Johannes C. (2009) On the relationship between gross efficiency and force effectiveness during ergometer cycling. Aristotle University of Thessaloniki, Lab of Sport Biomechan 11th International Conference of Sport Kinetics , Kallithea, Chalkidiki 2009-09-25 - 2009-09-27
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C; McGhie, David; Olsen, Kristian Killi; Lillemark, Kristian. (2009) The effect of body orientation om cycling technique. Norwegian School of Sport Sciences 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Vitenskapelig foredrag
  van den Tillaar, Roland ; Ettema, Gerardus Johannes C. (2009) Acomparison of successful and unsuccessful attempts in 1RM bench press. Norwegian Scholl of Sport Sciences 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Vitenskapelig foredrag
  Leirdal, Stig; Ettema, Gerardus Johannes C. (2009) Freely chosen cadence and gross efficiently during ergometer and free bicycling. Norwegian School of Sport Sciences 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Poster
  Leirdal, Stig; Sandbakk, Øyvind; Holmberg, HC; Ettema, Gerardus Johannes C. (2009) Sub-maximal efficiency during roller ski skating. Norwegian School of Sport Science 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Poster
  Ettema, Gerardus Johannes C. (2009) Inertial loading in level and uphill cycling. Aristotle University of Thessaloniki, Lab of Sport Biomechan 11th International Conference of Sport Kinetics , Kallithea, Chalkidiki 2009-09-25 - 2009-09-27
• Poster
  Ettema, Gerardus Johannes C; Sandbakk, Øyvind; Leirdal, Stig; Holmberg, HC. (2009) Efficiency at high work rates in world class skiers. Norwegian School of Sport Sciences 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Poster
  Sandbakk, Øyvind; Leirdal, Stig; Holmberg, HC; Ettema, Gerardus Johannes C. (2009) The physiology of world class sprint skiers. Norwegian School of Sport Sciences 14th Annual Congress of the ECSS , Oslo 2009-06-24 - 2009-06-27
• Poster
  Sommervoll, Yngve; Ettema, Gerardus Johannes C; Vereijken, Beatrix. (2009) Dual tasking: The effect of task, frequency, and age on variability of finger tapping. International Society of Motor Control Progress in Motor Control VII , Marseille 2009-07-23 - 2009-07-25

2008

• Vitenskapelig foredrag
  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. 7th ISEA CONFERENCE 2008 2008-06-02 - 2008-06-02
• Poster
  Sommervoll, Yngve; Ettema, Gerardus Johannes C. (2008) The effect of gender and training experience on body segments’ contribution in overarm throwing. Institute of Sport of the Autonomous Region of Madeira 2nd Congress of Complex System in Sports, 10th European Workshop of Ecological Psychology , Funchal, Madeira 2008-11-05 - 2008-11-08

2006

• Vitenskapelig foredrag
  Sommervoll, Yngve; Ettema, Gerardus Johannes C. (2006) A comparison of male throwing athletes and unskilled males in fast overarm throws. Program for bevegelsesvitenskap, NTNU Nordisk Konferanse i Bevegelsesvitenskap 2006 , Trondheim 2006-10-26 - 2006-10-27
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2006) On the proximal-distal sequence in explosive actions: the role of transfer of momentum. Program for bevegelsesvitenskap, NTNU Nordisk Konferanse i Bevegelsesvitenskap 2006 , Trondheim 2006-10-26 - 2006-10-27
• Vitenskapelig foredrag
  Tillaar, Roland van den; Ettema, Gerardus Johannes C. (2006) The sticking point in bench pressing. Program for bevegelsesvitenskap, NTNU Nordisk Konferanse i Bevegelsesvitenskap 2006 , Trondheim 2006-10-26 - 2006-10-27
• Vitenskapelig foredrag
  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. Dep. of Sport Science, University of Salzburg The XXIV International Symposium on Biomechanics in Sports , Salzburg 2006-07-14 - 2006-07-18

2005

• Vitenskapelig foredrag
  Leirdal, Stig; Ettema, Gerardus Johannes C; Bråten, Steinar; Kvålsvoll, Atle. (2005) Analyses of technique in cycling: A pilot study. NTNU, Program for bevegelsesvitenskap BIOMOVE , Trondheim 2005-10-25 - 2005-10-25
• Vitenskapelig foredrag
  Leirdal, Stig; Ettema, Gerardus Johannes C; Bråten, Steinar; Kvålsvoll, Atle. (2005) Analyses of technique in cycling: A pilot study. Norges idrettshøgskole Nordisk konferanse om bevegelsesanalyse , Oslo 2005-11-17 - 2005-11-18
• Vitenskapelig foredrag
  Oterhals, Geir; Ettema, Gerardus Johannes C. (2005) Bilateral Deficit in Human Jumping Performance. NTNU - Program for bevegelsesvitenskap Biomove , Trondheim 2005-10-25 - 2005-10-25

2004

• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2004) Computer simulation of ski jumping: Furthering our understanding of task constraints. Forskningsseminar bevegelsesvitenskap, NTNU 2004-08-26 -
• Vitenskapelig foredrag
  Leirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Bråten, Steinar; Løset, Sveinung. (2004) Influence of body position on performance in sprint cross-country ski skating. International Conference of Sport Sciences 2004-03-01 -
• Populærvitenskapelig foredrag
  Ettema, Gerardus Johannes C; Roeleveld, Karin. (2004) Prøv deg på skihoppsimulator. Forskningstorget , Trondheim 2004-09-15 - 2004-09-18

2003

• Vitenskapelig foredrag
  Leirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Vereijken, Beatrix; Bråten, S.. (2003) Influence of body position on performance in sprint cross-country ski skating. Nordisk konferanse i Bevgelsesvitenskap, NKB 2003 , Trondheim 2003-10-31 -
• Vitenskapelig foredrag
  Tillaar, 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 , Trondheim 2003-10-31 -
• Vitenskapelig foredrag
  Ettema, 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 , Salzburg 2003-07-12 -
• Vitenskapelig foredrag
  Bråten, S.; Ettema, Gerardus Johannes C. (2003) Funksjonell feedback i teknikktrening. Nordisk konferanse i bevegelsesvitenskap 2003 , Trondheim, Norway 2003-10-31 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2003) Computer simulation of movement dynamics in research and teaching. Nordisk konferanse i bevegelsesvitenskap 2003 , Trondheim, Norway 2003-10-31 -
• Vitenskapelig foredrag
  Brændvik, 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 , Budapest 2003-06-04 -
• Vitenskapelig foredrag
  Bråten, S.; Ettema, Gerardus Johannes C. (2003) Skihopp - prøving eller læring?. Nordic Conference in Movement Science, 2003 , Trondheim, Norway 2003-10-31 -
• Populærvitenskapelig foredrag
  Ettema, Gerardus Johannes C; Leirdal, Stig; Holtermann, Andreas; Roeleveld, Karin; Sætran, Lars Roar; Vereijken, Beatrix. (2003) Sprint Langrenn og Teknikk - Kroppsposisjon, luftmotstand, effekt og kostnad. OLT-fagmøte - langrenn , Toppidrettssenteret, Oslo 2003-12-03 -
• Poster
  Leirdal, 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 , Salzburg, Austria 2003-07-12 -

2002

• Populærvitenskapelig foredrag
  Ettema, Gerardus Johannes C; Tegdan, Trine. (2002) Bevegelsesvitenskap ved NTNU. Fysiotherapiforbundets avdeling i Nord-Trøndelag , Stjørdal 2002-10-02 -
• Vitenskapelig foredrag
  Tillaar, 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 , Budapest, Hungary 2002-11-17 -
• Vitenskapelig foredrag
  Tegdan, Trine; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Fatigue and muscle coordination in subjects with patellofemoral pain syndrome. Symposium for Bevegelsesanalyse , Oslo, Norge 2002-10-18 -
• Vitenskapelig foredrag
  Leirdal, Stig; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Power training and biarticular muscle function in vertical jumping. Symposium for Bevegelsesanalyse , Oslo, Norge 2002-10-18 -
• Vitenskapelig foredrag
  Brandvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2002) Neuro-muscular adaptation following a below knee amputation. Symposium for Bevegelsesanalyse , Oslo, Norge 2002-10-18 -
• Vitenskapelig foredrag
  Ettema, 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. , Calgary 2002-08-09 -
• Vitenskapelig foredrag
  Tillaar, 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 , Calgary 2002-08-09 -
• Vitenskapelig foredrag
  Holtermann, Andreas; Roeleveld, Karin; Vereijken, Beatrix; Ettema, Gerardus Johannes C. (2002) Neural adaptations during learning a strength task. Symposium for Bevegelsesanalyse , Oslo, Norge 2002-10-18 -
• Vitenskapelig foredrag
  Holtermann, 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 , vienna, austria 2002-06-15 -
• Populærvitenskapelig foredrag
  Vereijken, Beatrix; Ettema, Gerardus Johannes C. (2002) Bevegelsesvitenskap, hester og terapi. annual meeting of the fagforum for terapiridning , bratsberg, Trondheim 2002-04-15 -
• Poster
  Brandvik, 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" , Vienna, Austria 2002-06-25 -
• Vitenskapelig foredrag
  Fiskvik, 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

2001

• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2001) Muscle force generation and stability in explosive actions. 6th Annual Congress of the European College of Sport Science , Cologne 2001-07-28 -
• Vitenskapelig foredrag
  Haukvik, 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 , Zurich 2001-07-13 -
• Vitenskapelig foredrag
  Brandvik, Siri; Roeleveld, Karin; Ettema, Gerardus Johannes C. (2001) Nevro-muskulære tilpasninger etter en leggamputasjon. tverrfaglig symposium , Jønkøping, Sverige 2001-11-13 -
• Populærvitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2001) Bevegelseslære og anatomi. Møte av Rådet for folkemusikk og folkedans, NTNU , Trondheim 2001-03-11 -
• Poster
  Ettema, Gerardus Johannes C. (2001) Muscle activation of quadriceps femoris in subjects with patellofemoral pain syndrome and healthy subjects when fatigued. Idrettsmedisinsk Høstkongress , Oslo 2001-11-04 -

2000

• Vitenskapelig foredrag
  Tillaar, 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 , Bielsko-Biata 2000-10-29 -
• Vitenskapelig foredrag
  Tillaar, 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. , Jyväskylä, Finland 2000-07-23 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2000) Bewegingswetenschappen in Trondheim - mogelijkheden en begrenzingen. Institute for fundamental and clinical human movement sciences (IFKB), , Amsterdam 2000-11-17 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - III: Musklel. HiST - Institutt for fysioterapeututdanning , Trondheim 2000-12-04 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - I: Kraft i bevegelse. HiST - Institutt for fysioterapeututdanning , Trondheim 2000-11-07 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (2000) Biomekanikk i bevegelse - II: Mekanikk og vev. HiST - Institutt for fysioterapeututdanning , Trondheim 2000-11-10 -

1999

• Vitenskapelig foredrag
  Kippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Musculoskeletal constraints in motor control. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management & Rehabilitation , 1-3 May, Coolum
• Vitenskapelig foredrag
  Kippers, 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 , Sydney
• Vitenskapelig foredrag
  North, David; Kippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Muscular control of combined knee movements. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management , Coolum
• Vitenskapelig foredrag
  Taylor, Emma; Kippers, Vaughan; Ettema, Gerardus Johannes C. (1999) Muscular control of complex elbow movements. Queensland State Conference: Musculo-skeletal Injuries, Prevention, Management , Coolum
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1999) Motor Control: structure-action-function. Norges Idrettshøgskole - IFIB , Oslo 1999-10-04 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1999) Biological Factors in Human Movement - The importance of being biological. Human Movement Science in Perspective , Trondheim 1999-05-06 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1999) Muscle coordination in movement: lessons learned from static actions. International Research Course on Dance, Culture and Human Movement Science , Trondheim 1999-11-17 -

1998

• Populærvitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1998) Controlling Ground Reaction Force. Human Movement Science Seminar 1998 , Trondheim 1998-03-27 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion II: Muscle as engine or spring. Department of Anatomical Sciences, The University of Queensland , Brisbane 1998-09-03 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion I: muscle properties. Department of Anatomical Sciences, The University of Queensland , Brisbane 1998-09-03 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1998) Muscle mechanics and vertebrate locomotion III: Locomotion styles. Department of Anatomical Sciences, The University of Queensland , Brisbane 1998-09-08 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1998) Hill-type muscle models and an alternative describing contraction history. Third World Congress of Biomechanics , Sapporo

1997

• Vitenskapelig foredrag
  Ettema, 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) , Sydney
• Vitenskapelig foredrag
  Ettema, 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 , Sydney 1997-10-04 -
• Vitenskapelig foredrag
  Ettema, 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 , Sydney 1997-10-04 -
• Vitenskapelig foredrag
  Ettema, 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) , Sydney

1996

• Vitenskapelig foredrag
  Ettema, 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 , Enschede, The Netherlands 1996-10-30 -
• Vitenskapelig foredrag
  Ettema, 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 , Enschede, The Netherlands 1996-10-30 -
• Vitenskapelig foredrag
  Ettema, 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 , Enschede, The Netherlands 1996-10-30 -
• Vitenskapelig foredrag
  Ettema, 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 , Brisbane 1996-07-12 -
• Vitenskapelig foredrag
  Ettema, 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 , Brisbane 1996-07-12 -
• Vitenskapelig foredrag
  Ettema, Gerardus Johannes C. (1996) Muscle length in bipedal and quadrupedal animals in relation to locomotor behaviour. The First Australasian Biomechanics Conference , Sydney 1996-02-02 -