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Related Experiment Videos

Is postural control affected by expertise in alpine skiing?

F Noé1, T Paillard

  • 1Université de Pau et des Pays de l'Adour, Tarbes, France. frederic.noe@univ-pau.fr

British Journal of Sports Medicine
|October 26, 2005
PubMed
Summary

National level skiers show poorer postural control without ski boots compared to regional skiers, potentially due to ankle-foot complex adaptations. This highlights the need for targeted training to prevent injuries in elite athletes.

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Area of Science:

  • Biomechanics
  • Sports Science
  • Motor Control

Background:

  • Postural control is crucial for athletic performance and injury prevention.
  • Skiers' postural performance may be affected by visual input and equipment like ski boots.

Purpose of the Study:

  • To compare the postural performance of national (NAT) and regional (REG) level skiers.
  • To investigate the effect of visual deprivation (eye closure) on postural control.
  • To assess the influence of ski boots on postural stability in different skill levels.

Main Methods:

  • Seven national and seven regional male skiers participated.
  • Postural performance was measured using center of foot pressure on a force platform.
  • Tests were conducted with eyes open/closed and with/without ski boots in stable and unstable postures.

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Main Results:

  • Both groups were similarly affected by visual deprivation.
  • Postural performance was comparable between NAT and REG skiers when wearing ski boots.
  • Regional skiers exhibited superior postural performance compared to national skiers when not wearing ski boots.

Conclusions:

  • National skiers' reduced postural performance without boots may stem from long-term ski boot wear, limiting ankle-foot complex motion.
  • Impaired postural control is linked to increased susceptibility to ankle injuries.
  • National skiers could benefit from specific training to enhance postural ability and mitigate ankle injury risk.