采集肱二头肌做屈伸运动过程中的肌电信号，对其进行处理，进行时域和频域分析，并且计算积分肌电值，中位频率等参数，估计其疲劳过程-Collection do biceps muscle during flexion and extension signals, processes, time domain and frequency domain analysis, and calculating the integral EMG values, the median frequency and o