End-of-Fiber Signals Strongly Influence the First and Second Phases of the M Wave in the Vastus Lateralis: Implications for the Study of Muscle Excitability

End-of-Fiber Signals Strongly Influence the First and Second Phases of the M Wave in the Vastus Lateralis: Implications for the Study of Muscle Excitability

It has been recurrently observed that, for compound muscle action potentials (M wave) recorded over the innervation zone of the vastus lateralis, the descending portion of the first phase generally shows an “inflection” or “shoulder.” We sought to clarify the electrical origin of this shoulder-like...

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Bibliographic Details
Main Authors: Javier Rodriguez-Falces, Nicolas Place
Format: Article
Language:English
Published: Frontiers Media S.A. 2018-03-01
Series:Frontiers in Physiology
Subjects:
compound muscle action potential
end-of-fiber signals
pennate muscles
muscle excitability
fascicle length
non-propagating components
Online Access:http://journal.frontiersin.org/article/10.3389/fphys.2018.00162/full

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