期刊
MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING
卷 59, 期 7-8, 页码 1447-1459出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11517-021-02387-x
关键词
Muscle fatigue; Infrared thermography; Physiological monitoring
类别
资金
- Ministry of Higher Education Malaysia
- Universiti Teknologi Malaysia [15J89, 07G22]
This study investigated the correlation between surface temperature and muscle activation parameters obtained using both IRT and sEMG methods simultaneously, finding significant correlations between average temperature with RMS and between temperature difference with MF values. It suggested that skin surface temperature can be utilized in monitoring and predicting muscle fatigue, especially in low intensity dynamic exercise.
Surface electromyography (sEMG) has been widely used in evaluating muscle fatigue among athletes where electrodes are attached on the skin during the activity. Recently, infrared thermography technique (IRT) has gain popularity and shown to be another preferred method in monitoring and predicting muscle fatigue non-obstructively. This paper investigates the correlation between surface temperature and muscle activation parameters obtained using both IRT and sEMG methods simultaneously. Twenty healthy subjects were required to perform a repetitive calf raise exercise with various loads attached around their ankle for 3 min to induce fatigue on the targeted gastrocnemius muscles. Average temperature and temperature difference information were extracted from thermal images, while root mean square (RMS) and median frequency (MF) were extracted from sEMG signals. Spearman statistical analysis performed shows that there is a significant correlation between average temperature with RMS and between temperature difference with MF values at p<0.05. While ANOVA test conducted shows that there is significant impact of loads on RMS and MF where F=12.61 and 3.59. respectively, at p< 0.05. This study suggested that skin surface temperature can be utilized in monitoring and predicting muscle fatigue in low intensity dynamic exercise and can be extended to other dynamic exercises.
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