基于肌肉组织介电特性和电极结构的表面肌电信号有限元模拟

2014 9th International Symposium on Communication Systems, Networks & Digital Sign (CSNDSP) Pub Date : 2014-07-23 DOI:10.1109/CSNDSP.2014.6923823

A. Teklemariam, G. Cooper, E. Hodson-Tole, N. Reeves, N. Costen

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引用次数: 1

摘要

建立了皮肤、脂肪和骨骼肌组织的三层有限元模型。该模型旨在研究肌肉的介电特性对肌电信号的影响。本文重点研究了电极结构及其对体表肌电活动的影响。与以前的模型不同，源信号是由记录的肌内肌电测量产生的。将有限元模型与实验数据进行了比较，发现单极记录的频谱具有很强的相关性(r=0.7276)，但与双极排列的实验观测结果存在偏差。从输入数据和实验噪声有关的双极模型的建模不准确性进行了探讨。

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A Finite Element Model simulation of surface EMG signals based on muscle tissue dielectric properties and electrodes configuration

A three layer Finite Element Model of skin, fat and skeletal muscle tissue is implemented. The model aims to study the influence of the dielectric properties of the muscle on electromyography signals. The paper focuses on the electrode configuration and its effect on the muscle myoelectric activity detected at the surface. Unlike previous models, the source signal is be generated from recorded intramuscular myoelectric measurements. The finite element model is compared to experimental data and shows a strong correlation in the frequency spectra (r=0.7276) for monopolar recordings but deviates from experimental observations for a bipolar arrangement. Modelling inaccuracies from the input data and experimental noise related to the bipolar modelling are explored.

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2014 9th International Symposium on Communication Systems, Networks & Digital Sign (CSNDSP)

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