Effets des contraintes spatio-temporelles sur les coordinations musculaires du membre supérieur lors du smash au badminton

Abstract : Abstract: The purpose of this study was to identify muscular coordination of the upper limb during a badminton smash, then measure how these coordination were affected by spatiotemporal constraints, for regional and national/international players. Ten badminton players, regional level (16 years; 1.78±5 cm; 65.2± 5.8 kg) and national level (18.4±1.5 years; 1.73±5 cm; 64.2±5.6 kg) participated in this study which involved making 20 smashes over different conditions modulated by distance of the strike zone and by shuttlecock trajectory. The results show a similitude of muscular synergy number (i.e. 4) for all the subjects with sturdiness of muscle implication across conditions, but with a shift of temporal activation of synergies, proportionally to flight time reduction. However, interpersonal synergies composition variability has been shown, highlighting the role of sensory feedbacks in the modulation of muscular coordination during a learned gesture. Finally, no significant difference in relation with expertise level has been showed, suggesting the similarity of upper limb motor program, even in presence of strong temporal and spatial constraints.
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Master thesis
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Stéphane Mourot. Effets des contraintes spatio-temporelles sur les coordinations musculaires du membre supérieur lors du smash au badminton. Sciences de l'Homme et Société. 2015. ⟨hal-01833361⟩

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