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Biomechanical pole and leg characteristics during uphill diagonal rollerskiing
Department of Sport Science and Kinesiology, University of Salzburg, Salzburg.
Department of Sport Science and Kinesiology, University of Salzburg, Salzburg.
Department of Sport Science and Kinesiology, University of Salzburg, Salzburg.
Department of Sport Science and Kinesiology, University of Salzburg, Salzburg.
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2009 (English)In: Sports Biomechanics, ISSN 1476-3141, E-ISSN 1752-6116, Vol. 8, no 4, 318-333 p.Article in journal (Refereed) Published
Abstract [en]

Diagonal skiing as a major classical technique has hardly been investigated over the last two decades, although technique and racing velocities have developed substantially. The aims of the present study were to 1) analyse pole and leg kinetics and kinematics during submaximal uphill diagonal roller skiing and 2) identify biomechanical factors related to performance. Twelve elite skiers performed a time to exhaustion (performance) test on a treadmill. Joint kinematics and pole/plantar forces were recorded separately during diagonal roller skiing (98; 11 km/h). Performance was correlated to cycle length (r ¼ 0.77; P , 0.05), relative leg swing (r ¼ 0.71), and gliding time (r ¼ 0.74), hip flexion range of motion (ROM) during swing (r ¼ 0.73) and knee extension ROM during gliding (r ¼ 0.71). Push-off demonstrated performance correlations for impulse of leg force (r ¼ 0.84), relative duration (r ¼ 20.76) and knee flexion (r ¼ 0.73) and extension ROM (r ¼ 0.74). Relative time to peak pole force was associated with performance (r ¼ 0.73). In summary, diagonal roller skiing performance was linked to 1) longer cycle length, 2) greater impulse of force during a shorter push-off with larger flexion/extension ROMs in leg joints, 3) longer leg swing, and 4) later peak pole force, demonstrating the major key characteristics to be emphasised in training.

Place, publisher, year, edition, pages
2009. Vol. 8, no 4, 318-333 p.
Keyword [en]
Cycle characteristics, joint angles, kinetics, leg force, pole force
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:miun:diva-7858DOI: 10.1080/14763140903414417ISI: 000274754500005Scopus ID: 2-s2.0-77950353243OAI: oai:DiVA.org:miun-7858DiVA: diva2:132708
Projects
Integrative Physiology & Biomechanics
Available from: 2008-12-28 Created: 2008-12-28 Last updated: 2016-09-26Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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