Effects of postexercise blood flow occlusion on quadriceps responses to transcranial magnetic stimulation

Author:

Latella Christopher12ORCID,Pinto Matheus D.1ORCID,Nuzzo James L.23,Taylor Janet L.123

Affiliation:

1. School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia

2. Neurophysiology Research Laboratory, Edith Cowan University, Joondalup, Western Australia, Australia

3. Neuroscience Research Australia, Randwick, New South Wales, Australia

Abstract

Maintained exercise-induced firing of group III/IV quadriceps muscle afferents counteracts known reductions in corticospinal excitability that occur with fatigue. However, the results suggest that this increased excitability is not underpinned by changes in intracortical facilitatory or inhibitory networks. These findings are not consistent with previous findings for hand muscle, which reported preserved intracortical facilitation with fatigue-related sustained group III/IV muscle afferent firing.

Publisher

American Physiological Society

Subject

Physiology (medical),Physiology

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