ISSN: 1899-1955
Human Movement
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SCImago Journal & Country Rank
 
3/2013
vol. 14
 
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abstract:
Original paper

Laterality of lower limbs during V2 Al ternate in Nordic combined athletes

Soňa Jandová
,
Jan Charousek

Online publish date: 2018/04/20
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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:

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

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