Joint kinematic responses of Olympic medallist skiers to repeated slalom runs

This case study aims to examine changes in the lower limb joint kinematic profile and performance stability induced by repeated ski runs in two world-class alpine skiers. Two Olympic medallist alpine skiers were tested during their slalom training, with continuous recording of right knee and hip ang...

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Veröffentlicht in:Experimental physiology 2024-09
Hauptverfasser: Alhammoud, Marine, Trama, Robin, Hautier, Christophe André, Girard, Olivier, Racinais, Sébastien, Hansen, Clint, Meyer, Frédéric, Farooq, Abdulaziz, Coint, Jérémy, Trameau, Thibaut, Brun, Loïc, Morel, Baptiste
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Sprache:eng
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Zusammenfassung:This case study aims to examine changes in the lower limb joint kinematic profile and performance stability induced by repeated ski runs in two world-class alpine skiers. Two Olympic medallist alpine skiers were tested during their slalom training, with continuous recording of right knee and hip angles, along with turn time and run time. The eight runs of the training session were analysed with linear mixed models. Results showed no effect of runs repetition on performance (i.e., run and turn time; P ≥ 0.279). There was no global effect of runs repetition on minimal and maximal angles for either the knee or the hip (P > 0.151). There was an interaction between run and leg for the maximal angle of both the knee and hip (P ≤ 0.047), which increased across runs for the outside leg and decreased for the inside leg. The maximal angular velocity for both the knee and hip increased with runs repetition in extension (P ≤ 0.028). There were no overall changes in maximal angular velocity in flexion with runs repetition (P ≥ 0.264), but there was an interaction between run and leg for the knee (P 
ISSN:0958-0670
1469-445X
1469-445X
DOI:10.1113/EP091743