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Sensors 2014, 14(2), 2052-2070; doi:10.3390/s140202052
Article

Towards Whole Body Fatigue Assessment of Human Movement: A Fatigue-Tracking System Based on Combined sEMG and Accelerometer Signals

1,* , 2
, 3
 and 1,2
Received: 2 December 2013; in revised form: 16 January 2014 / Accepted: 17 January 2014 / Published: 27 January 2014
(This article belongs to the collection Sensors for Globalized Healthy Living and Wellbeing)
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Abstract: This paper proposes a method to assess the overall fatigue of human body movement. First of all, according to previous research regarding localized muscular fatigue, a linear relation is assumed between the mean frequency and the muscular working time when the muscle is experiencing fatigue. This assumption is verified with a rigorous statistical analysis. Based on this proven linearity, localized muscular fatigue is simplified as a linear model. Furthermore, localized muscular fatigue is considered a dynamic process and, hence, the localized fatigue levels are tracked by updating the parameters with the most current surface electromyogram (sEMG) measurements. Finally, an overall fatigue level is computed by fusing localized muscular fatigue levels. The developed fatigue-tracking system is evaluated with two fatigue experiments (in which 10 male subjects and seven female subjects participated), including holding self-weight (dip start position training) and lifting weight with one arm (arm curl training).
Keywords: localized muscular fatigue; fatigue information fusion; wireless wearable system localized muscular fatigue; fatigue information fusion; wireless wearable system
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Dong, H.; Ugalde, I.; Figueroa, N.; El Saddik, A. Towards Whole Body Fatigue Assessment of Human Movement: A Fatigue-Tracking System Based on Combined sEMG and Accelerometer Signals. Sensors 2014, 14, 2052-2070.

AMA Style

Dong H, Ugalde I, Figueroa N, El Saddik A. Towards Whole Body Fatigue Assessment of Human Movement: A Fatigue-Tracking System Based on Combined sEMG and Accelerometer Signals. Sensors. 2014; 14(2):2052-2070.

Chicago/Turabian Style

Dong, Haiwei; Ugalde, Izaskun; Figueroa, Nadia; El Saddik, Abdulmotaleb. 2014. "Towards Whole Body Fatigue Assessment of Human Movement: A Fatigue-Tracking System Based on Combined sEMG and Accelerometer Signals." Sensors 14, no. 2: 2052-2070.



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