Evaluation of EMG Features of Trunk Muscles during Flexed Postures

被引：0

作者：

Naji, Mohsen ^{[1
]}

Firoozabadi, Mohammad ^{[2
]}

Kahrizi, Sedighe ^{[3
]}

机构：

[1] Islamic Azad Univ, Dept Biomed Engn, Dezful Branch, Dezful, Iran

[2] Tarbiat Modares Univ, Dept Med Phys, Tehran, Iran

[3] Tarbiat Modares Univ, Dept Phys Therapy, Tehran, Iran

来源：

2012 19TH IRANIAN CONFERENCE OF BIOMEDICAL ENGINEERING (ICBME) | 2012年

关键词：

Postural tasks; Trunk muscles; EMG; Feature evaluation; CLASSIFICATION SCHEME; SIGNAL; FATIGUE;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Flexed postural tasks are frequently involved in daily activities, this paper evaluated a wide range of trunk muscle electromyogram (EMG) features to find the best feature spaces that discriminate among different trunk flexion angles. Using Davies-Bouldin index (DBI) and Calinski-Harabasz index (CHI) it was found that zero crossings, mean power frequency, median power frequency, and second order cumulants of extensor muscles' EMG, independent of holding load level and electrode location (right or left side of muscle) are the most sensitive features to trunk flexion angle variation.

引用

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页码：53 / 56

页数：4

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