Title |
Cutaneous stimulation of discrete regions of the sole during locomotion produces “sensory steering” of the foot
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Published in |
BMC Sports Science, Medicine and Rehabilitation, August 2014
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DOI | 10.1186/2052-1847-6-33 |
Pubmed ID | |
Authors |
E Paul Zehr, Tsuyoshi Nakajima, Trevor Barss, Taryn Klarner, Stefanie Miklosovic, Rinaldo A Mezzarane, Matthew Nurse, Tomoyoshi Komiyama |
Abstract |
While the neural and mechanical effects of whole nerve cutaneous stimulation on human locomotion have been previously studied, there is less information about effects evoked by activation of discrete skin regions on the sole of the foot. Electrical stimulation of discrete foot regions evokes position-modulated patterns of cutaneous reflexes in muscles acting at the ankle during standing but data during walking are lacking. Here, non-noxious electrical stimulation was delivered to five discrete locations on the sole of the foot (heel, and medial and lateral sites on the midfoot and forefoot) during treadmill walking. EMG activity from muscles acting at the hip, knee and ankle were recorded along with movement at these three joints. Additionally, 3 force sensing resistors measuring continuous force changes were placed at the heel, and the medial and lateral aspects of the right foot sole. All data were sorted based on stimulus occurrence in twelve step-cycle phases, before being averaged together within a phase for subsequent analysis. |
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Student > Ph. D. Student | 13 | 13% |
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Researcher | 11 | 11% |
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Agricultural and Biological Sciences | 8 | 8% |
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