Abstract
The purpose of this investigation was to examine the relationship between mechanomyographic (MMG) amplitude and power output (PO) during maximal, eccentric isokinetic muscle actions. Fifteen adults (age ± SD = 23 ± 3 years) volunteered to perform eccentric muscle actions of the leg extensors at velocities of 30, 90, and 150°·s−1 on a Cybex 6000 dynamometer. A piezoelectric MMG recording sensor was placed over the vastus lateralis muscle. The PO was determined by the dynamometer software. The normalized MMG amplitude and PO values increased (p < 0.05) from 30 to 150°·s−1. These findings indicated that there was a close association between the velocity-related patterns of MMG amplitude and PO during maximal, eccentric isokinetric muscle actions.Figure: No caption Available.
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