电刺激肌肉关节角与诱发肌电图的关系

Proceedings of 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 1994-11-03 DOI:10.1109/IEMBS.1994.412012

A. Erfanian, H. Chizeck, R. Hashemi

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引用次数: 5

摘要

报道使用经皮肌内电极电刺激股四头肌时，使用表面电极获得的肌电图信号来确定截瘫受试者的膝关节角度。考虑了不同固定关节角度下的等距条件。采用时域和频域分析方法对肌电节理角度关系进行表征。采用高分辨率参数法估计肌电的功率谱。

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The relationship between joint angle and evoked EMG in electrically stimulated muscle

Reports the use of EMG signals obtained from surface electrodes to determine the knee joint angle in paraplegic subjects, when the quadriceps muscle is electrically stimulated using percutaneous intramuscular electrodes. Isometric conditions at different fixed joint angles were considered. Both time domain and frequency domain analysis methods were used to characterize the EMG-joint angle relationship. The power spectrum of the EMG was estimated by a high resolution parametric method.<>

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Proceedings of 16th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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