| 静态运动负荷诱发局部肌肉疲劳和恢复过程中sEMG信号复杂度变化规律 |
| |
| 引用本文： | 叶伟,王健,刘加海.静态运动负荷诱发局部肌肉疲劳和恢复过程中sEMG信号复杂度变化规律[J].体育科学,2004,24(9):19-23,66. |
| |
| 作者姓名： | 叶伟 王健 刘加海 |
| |
| 作者单位： | 1. 浙江大学,体育学系,浙江,杭州,310028
2. 浙江大学,计算中心,浙江,杭州,310028 |
| |
| 基金项目： | 国家自然科学基金资助项目 ( 30 1 70 44 7)，中 -芬政府间科学技术合作项目 ( AM1 0 2 1 ) |
| |
| 摘 要： | 应用非线性动力学的方法，研究最大和60％MVC强度肱二头肌静态疲劳负荷及其恢复期表面肌电信号复杂度变化规律，探讨肌肉疲劳过程中sEMG信号变化的可能原因和机制。结论：sEMG信号Lempel—Ziv复杂度反映了神经活动策略和神经肌肉功能状态的变化。运动负荷诱发肱二头肌静态疲劳过程中sEMG信号复杂度随运动负荷时间延长而减小，恢复期sEMG信号复杂度和MVC均随恢复时间的延长以相似的模式快速恢复，提示，sEMG信号复杂度可以用于肌肉功能状态恢复的评价。
|
| 关 键 词： | sEMG信号 肌肉 疲劳 恢复 |
| 文章编号： | 1000-677X(2004)09-0019-05 |
The sEMG Signal Complexity Changes during and following Local Muscle Fatigue Induced by Isometric Loading |
| |
| YE Wei,WANG Jian,LIU Jia-hai.Physical Education.The sEMG Signal Complexity Changes during and following Local Muscle Fatigue Induced by Isometric Loading[J].China Sport Science,2004,24(9):19-23,66. |
| |
| Authors: | YE Wei WANG Jian LIU Jia-haiPhysical Education |
| |
| Institution: | YE Wei~1,WANG Jian~1,LIU Jia-hai~21.Physical Education Department,Zhejiang University,Hangzhou 310028,China. |
| |
| Abstract: | By using the method of nonlinear kinematics,this paper investigates the patterns and characteristics of sEMG signal changes during and following local muscle fatigue induced by isometric loading.The result shows that lempel-Ziv complexity did not reflect muscle strength level directly,but it can reflect the pattern of neural activity and function of neuromuscular system.The Lempel-Ziv complexity of sEMG signal declines during isometric fatigue contraction and recover rapidly after exercise.Lempel-Ziv complexity and MVC rise quickly together in a similar way during recovery time.It suggests that Lempel-Ziv complexity of sEMG signal can be an approach to estimate the restitution of function of neuromuscular system after fatigue. |
| |
| Keywords: | sEMG signal muscle fatigue recovery |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
