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Proceedings Article

EMG parameters and EEG α Index change at fatigue period during different types of muscle contraction

[+] Author Affiliations
Li Zhang, Bin Zhou

Wuhan Sports Univ. (China)

Gaoqing Song

Zhengzhou Univ. (China)

Proc. SPIE 7999, Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII, 79990E (April 11, 2011); doi:10.1117/12.896142
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From Conference Volume 7999

  • Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII
  • Valery V. Tuchin; Elina A. Genina
  • Saratov, Russian Federation | October 05, 2010

abstract

The purpose of this study is to measure and analyze the characteristics in change of EMG and EEG parameters at muscle fatigue period in participants with different exercise capacity. Twenty participants took part in the tests. They were divided into two groups, Group A (constant exerciser) and Group B (seldom-exerciser). MVC dynamic and 1/3 isometric exercises were performed; EMG and EEG signals were recorded synchronously during different type of muscle contraction. Results indicated that values of MVC, RMS and IEMG in Group A were greater than Group B, but isometric exercise time was shorter than the time of dynamic exercise although its intensity was light. Turning point of IEMG and α Index occurred synchronously during constant muscle contraction of isometric or dynamic exercise. It is concluded that IEMG turning point may be an indication to justify muscle fatigue. Synchronization of EEG and EMG reflects its common characteristics on its bio-electric change.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Li Zhang ; Bin Zhou and Gaoqing Song
"EMG parameters and EEG α Index change at fatigue period during different types of muscle contraction", Proc. SPIE 7999, Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII, 79990E (April 11, 2011); doi:10.1117/12.896142; http://dx.doi.org/10.1117/12.896142


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