| 肌纤维细胞内动作电位建模的研究 |
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| 引用本文： | 钱晓进,杨基海,梁政,陈香,谭春祥,冯焕清.肌纤维细胞内动作电位建模的研究[J].中国科学技术大学学报,2003,33(5):625-630. |
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| 作者姓名： | 钱晓进 杨基海 梁政 陈香 谭春祥 冯焕清 |
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| 作者单位： | 中国科技大学电子科学技术系,安徽,合肥,230026 |
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| 摘 要： | 介绍一种肌纤维细胞内动作电位(IAP)的建模方法．该方法将IAP波看作两部分之和，一部分对应于动作电位激励波的波峰，另一部分对应于动作电位的后电位，并用两个简单的解析函数分别表示它们．模型的特点是，模型中描述波峰和后电位相对幅度的参数，对应于与激励波波峰有关的跨膜电流的中心矩，而且，这些参数可以由窭验测量的IAP或运动单位动作电位(MUAP)反向估计确定．
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| 关 键 词： | 肌电图 肌电建模 运动单位动作电位 细胞内动作电位 |
| 文章编号： | 0253-2778(2003)05-0625-06 |
| 修稿时间： | 2002年11月11 |
Study on Modeling of Muscle-Fiber Intracellular Action Potential |
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| QIAN Xiao-jin,YANG Ji-hai,LIANG Zhen CHEN Xiang,TAN Cunxiang,FENG Huan-qing.Study on Modeling of Muscle-Fiber Intracellular Action Potential[J].Journal of University of Science and Technology of China,2003,33(5):625-630. |
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| Authors: | QIAN Xiao-jin YANG Ji-hai LIANG Zhen CHEN Xiang TAN Cunxiang FENG Huan-qing |
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| Abstract: | A method of modeling muscle fiber intracellular action potential (IAP) is presneted. The IAP is seen as the sum of two parts, one corresponds to the spike of the wave excitation of IAP, the other corresponds to the afterpotential of IAP. Each part is represented by a simple analytical expression. The feature of the model is that the parameters specifying the sizes of the spike and afterpotential of IAP respectively correspond to the first two central moments of transmembrane current distribution associated with the spike of the wave of excitation. Furthermore, these parameters of model can be estimated from the empirically measured IAP or MUAP. |
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| Keywords: | electromyography (EMG) EMG modeling motor unit action potential (MUAP) intracellular action potential(IAP) |
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