• 1. School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
  • 2. Shanghai University of Medicine and Health Sciences, Shanghai 200093, China;
ZOURenling, Email: zourenling@163.com
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Exercise-induced muscle fatigue is a phenomenon that the maximum voluntary contraction force or power output of muscle is temporarily reduced due to muscular movement. If the fatigue is not treated properly, it will bring about a severe injury to the human body. With multi-channel collection of lower limb surface electromyography signals, this article analyzes the muscle fatigue by adoption of band spectrum entropy method which combined electromyographic signal spectral analysis and nonlinear dynamics. The experimental result indicated that with the increase of muscle fatigue, muscle signal spectrum began to move to low frequency, the energy concentrated, the system complexity came down, and the band spectrum entropy which reflected the complexity was also reduced. By monitoring the entropy, we can measure the degree of muscle fatigue, and provide an indicator to judge fatigue degree for the sports training and clinical rehabilitation training.

Citation: LIUJian, ZOURenling, ZHANGDongheng, XUXiulin, HUXiufang. Analysis of the Muscle Fatigue Based on Band Spectrum Entropy of Multi-channel Surface Electromyography. Journal of Biomedical Engineering, 2016, 33(3): 431-435. doi: 10.7507/1001-5515.20160073 Copy

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