Multiplicity of the afferent pathways mediating the exercise pressor reflex

L. Britt Wilson, P. Tim Wall, Kanji Matsukawa, Jere H. Mitchell

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

The cardiovascular responses to isometric contraction of the triceps surae muscle of one leg were determined before and after transecting the ipsilateral L7 or L6 and S1 spinal roots. Sectioning only the L7 spinal root slightly attenuated the pressor, but not the heart rate response induced by skeletal muscle contraction, while cutting the L6 and S1 spinal roots (L7 intact) had no effect on the cardiovascular changes. This indicates that there is multiplicity in neural afferent pathways that mediate the exercise pressor reflex.

Original languageEnglish (US)
Pages (from-to)316-319
Number of pages4
JournalBrain Research
Volume539
Issue number2
DOIs
StatePublished - Jan 25 1991

Keywords

  • Exercise pressor reflex
  • Muscle afferent
  • Spinal root

ASJC Scopus subject areas

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

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