Examination of reactive motor responses to Achilles tendon vibrations during an inhibitory stepping reaction time task - Motricité, interaction, performance Accéder directement au contenu
Article Dans Une Revue Human Movement Science Année : 2017

Examination of reactive motor responses to Achilles tendon vibrations during an inhibitory stepping reaction time task

Résumé

Inhibition is known to influence balance, step initiation and gait control. A specific subcomponent of inhibition, the perceptual inhibition process, has been suggested to be specifically involved in the integration of proprioceptive information that is necessary for efficient postural responses. This study aimed to investigate the inhibition requirements of planning and executing a choice step initiation task in young adults following experimental perturbation of proprioceptive information using Achilles tendon vibrations. We developed an inhibitory stepping reaction time task in which participants had to step in response to visual arrows that manipulated specific perceptual or motor inhibition according to two proprioceptive configurations: without or with application of vibrations. Performance of twenty-eight participants (mean age 21 years) showed that Achilles tendon vibrations induced an increase in attentional demands (higher reaction time and longer motor responses). Further, this increase in attentional demands did not affect specifically the different inhibitory processes tested in this reactive stepping task. It suggests that attentional demands associated with the vibratory perturbation to postural control do not lead to a shift from automatic to more attentional inhibition processes, at least in young adults.
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Dates et versions

hal-03341848 , version 1 (09-02-2022)

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Justine Magnard, Christophe Cornu, Gilles Berrut, Thibault Deschamps. Examination of reactive motor responses to Achilles tendon vibrations during an inhibitory stepping reaction time task. Human Movement Science, 2017, 56, Part B, pp.119 - 128. ⟨10.1016/j.humov.2017.10.018⟩. ⟨hal-03341848⟩
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