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Simplified Optimal Estimation of Time-Varying Electromyogram Standard Deviation (EMGσ): Evaluation on Two Datasets

He Wang, Kiriaki J. Rajotte, Haopeng Wang, Chenyun Dai, Ziling Zhu, Xinming Huang, Edward A. Clancy
2021 Sensors  
All other primary results were from the force-varying contractions.  ...  We separately analyzed force-varying and constant-force contractions from 64 subjects who completed constant-posture tasks about the elbow over a range of forces from 0% to 50% maximum voluntary contraction  ...  Introduction Estimates of the standard deviation of the surface electromyogram (EMG) signal (EMGσ) serve as a global measure of muscular activation [1] [2] [3] .  ... 
doi:10.3390/s21155165 fatcat:vug3zud62reexnsbzqjfo77wue