Laterality of Lower Limbs During V2 Alternate in Nordic Combined Athletes

• Authors: Soňa Jandová , Jan Charousek
• Languages of publication: EN

Abstracts

EN

Purpose. The aim of this study was to analyse the foot pressure distribution by cross-country skiers during the push-off phase when using the V2 Alternate skating technique depending on lower limb preference. The study also focused on whether push-off during V2 Alternate would be performed more quickly and in a shorter time interval by the dominant leg than the non-dominant leg. Methods. Data were collected using a pedographic system together with synchronised video recording. Conventional dialogistic methods used in kinanthropology were used to detect the lower-limb lateral preference. Results. Statistically significant differences in the vertical component of force produced by the right/leg lower limbs was observed. However, no statistically significant differences were present in the duration when weight was transferred to one of the lower limbs. Conclusions. Although V2 Alternate is a movement task that is considered to be symmetrical (where left and right leg push-off should be practically identical), the results of the study proved otherwise. In practice, this implies that the explosive force capabilities of cross-country skiers should be trained especially for the non-dominant leg so as to ensure that a fully adequate push-off can be conducted during two-sided skating.

Keywords

EN

dynamometry; skiing technique; pressure distribution; dominant and non-dominant leg

• Publisher: De Gruyter Open
• Journal: Human Movement
• Year: 2013
• Volume: 14
• Issue: 3
• Pages: 217-220

Dates

published

1 - 09 - 2013

online

15 - 10 - 2013

Contributors

author

Soňa Jandová

• Technical University of Liberec, Liberec, Czech Republic

author

Jan Charousek

• Technical University of Liberec, Liberec, Czech Republic

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Identifiers

DOI

10.2478/humo-2013-0026