Increased inhibitory effects on close synergists during muscle fatigue in the decerebrate cat

L. Hayward, D. Breitbach, W. Z. Rymer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

We compared the magnitude of reflex inhibition induced in the soleus muscle by contraction or stretch of the medial gastroenemius (MG), before, during, and after electrically induced fatigue of the MG. Our findings are that MG fatigue is accompanied by a substantial increase in soleus inhibition, which then recovers with MG rest. This increased inhibition may explain, at least in part, the decline in motoneuron discharge rate that has been described in fatiguing human muscle.

Original languageEnglish (US)
Pages (from-to)199-203
Number of pages5
JournalBrain research
Volume440
Issue number1
DOIs
StatePublished - Feb 2 1988

Keywords

  • Muscle afferent
  • Muscle fatigue
  • Reflex inhibition
  • Synergist

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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