Optimized maximum voluntary exertion protocol for normalizing shoulder muscle activity
作者： Alison C. McDonald , Michael W. L. Sonne , Peter J. Keir
DOI: 10.1080/23335432.2017.1308835
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摘要: AbstractMuscle activity is typically normalized to maximal activation from isometric maximum voluntary exertions (MVE) in posture and direction specific for each muscle. This challenging the shoulder complex due large number of muscles. The objective this investigation was compare muscle elicited a multi-muscle MVE test protocol versus individual tests determine their reliability. Ten healthy males had recorded 12 trunk upper extremity muscles while performing 3 repetitions 4 MVEs. Peak surface EMG (sEMG) amplitudes were compared using paired sample t-tests between two protocols Individual sEMG differed significantly (p < 0.05). In that did not attain statistical significance, amplitude differences 6–15% found. There high reliability (Inter...
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