Foot sole cutaneous stimulation mitigates neuromuscular fatigue during a sustained plantar flexor isometric task

Author:

Smith Simone G. V. S.1,Power Geoffrey A.1,Bent Leah R.1

Affiliation:

1. Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada

Abstract

Cutaneous coupling with lower limb motor neurons has long been known. We set out to establish whether this pathway could serve a purpose other than muscular modulation during standing and walking. We found that during a submaximal contraction of the plantar flexor muscles, the addition of intermittent cutaneous stimulation to the skin of the foot sole resulted in an increase in time to task failure by 15%, which was over a minute longer in duration. We conclude that skin stimulation may serve as a mechanism to mitigate fatigue.

Funder

CIHR

Gouvernement du Canada | Natural Sciences and Engineering Research Council of Canada

Publisher

American Physiological Society

Subject

Physiology (medical),Physiology

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