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Proceedings Paper

EMG parameters and EEG α Index change at fatigue period during different types of muscle contraction
Author(s): Li Zhang; Bin Zhou; Gaoqing Song
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Paper 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.

Paper Details

Date Published: 12 April 2011
PDF: 9 pages
Proc. SPIE 7999, Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII, 79990E (12 April 2011); doi: 10.1117/12.896142
Show Author Affiliations
Li Zhang, Wuhan Sports Univ. (China)
Bin Zhou, Wuhan Sports Univ. (China)
Gaoqing Song, Zhengzhou Univ. (China)

Published in SPIE Proceedings Vol. 7999:
Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII
Valery V. Tuchin; Elina A. Genina, Editor(s)

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