Methods The eigenvalue of sEMG during elbow joint moving under constant load were calculated with means of root mean square(RMS)and integrated electromyogram(iEMG)in time domain.

• 方法在手握恒定目标力量时提取表面肌电信号,并分别从时域采用均方根和积分肌电值方法提取肌电信号的特征值。