Influence of transcutaneous electrical nerve stimulation conditions on disynaptic reciprocal Ia inhibition and presynaptic inhibition in healthy adults

Kazuya Takeda, Shigeo Tanabe, Soichiro Koyama, Kosuke Ushiroyama, Yuki Naoi, Ikuo Motoya, Hiroaki Sakurai, Yoshikiyo Kanada

Research output: Contribution to journalArticle

Abstract

This study investigated the influence of stimulus conditions of transcutaneous electrical nerve stimulation (TENS) on disynaptic reciprocal Ia inhibition (RI) and presynaptic inhibition (D1 inhibition) in healthy adults. Eight healthy participants received TENS (stimulus frequencies of 50, 100, and 200 Hz) over the deep peroneal nerve and tibialis anterior (TA) muscle in the resting condition for 30 min. At pre- and post-intervention, the RI from the TA to the soleus (SOL) and D1 inhibition of the SOL alpha motor neuron were assessed by evoked electromyography. The results showed that RI was not changed by TENS at any stimulus frequency condition. Conversely, D1 inhibition was significantly changed by TENS regardless of the stimulus frequency. The present results and previous studies pertaining to RI suggest that the resting condition might strongly influence the lack of pre- vs. post-intervention change in the RI. Regarding the D1 inhibition, the present results suggest that the effect of TENS might be caused by post-tetanic potentiation. The knowledge gained from the present study might contribute to a better understanding of fundamental studies of TENS in healthy adults and its clinical application for stroke survivors.

Original languageEnglish
Pages (from-to)52-57
Number of pages6
JournalSomatosensory and Motor Research
Volume34
Issue number1
DOIs
Publication statusPublished - 02-01-2017

All Science Journal Classification (ASJC) codes

  • Physiology
  • Sensory Systems

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