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Test-Retest Reliability Of Motor Unit Firing Behavior During Maximal Grip Strength Assessments Among Older Adults

2025-10-14 geriatric medicine Title + abstract only
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Recent evidence suggests that grip strength is a critical biomarker of brain, muscle, and metabolic aging. Presently, neuromuscular properties related to individual motor unit firing properties have not been explored in the context of grip strength assessments in older adults. The purpose of this investigation was to examine the intra- and intersession reliability of linear and exponential regression model coefficients derived from motor unit (MU) peak firing rates (PFRs) and action potential am...

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