Voluntary activation and twitch potentiation of the elbow flexors across supinated, neutral, and pronated forearm orientations
نویسندگان
چکیده
منابع مشابه
Voluntary activation and twitch potentiation of the elbow flexors across supinated, neutral, and pronated forearm orientations
Elbow flexion force depends on forearm orientation with supinated and neutral being stronger than pronated. The purpose of this study was to assess the influence of forearm orientation on voluntary activation (VA), postactivation potentiation (PAP), and twitch properties. Eleven males (23 ± 3 years) performed isometric elbow flexion maximal voluntary contractions (MVC) in supinated, neutral, an...
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Voluntary activation of muscle is commonly quantified by comparison of the extra force added by motor nerve stimulation during a contraction [superimposed twitch (SIT)] with that produced at rest by the same stimulus (resting twitch). An inability to achieve 100% voluntary activation implies that failure to produce maximal force output from the muscle must have occurred at a site at or above th...
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We examined the effects of a submaximal voluntary elbow flexor contraction protocol on measures of corticospinal excitability and postactivation potentiation of evoked muscle forces and if these measures were state-dependent (rest vs. voluntary muscle contraction). Participants completed four experimental sessions where they rested or performed a 5% maximum voluntary contraction (MVC) of the el...
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ژورنال
عنوان ژورنال: Physiological Reports
سال: 2018
ISSN: 2051-817X
DOI: 10.14814/phy2.13560