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A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection

Surface electromyography (sEMG) is an important measurement for monitoring exercise and fitness. Because if its high sampling frequency requirement, wireless transmission of sEMG data is a challenge. In this article a wireless sEMG measurement system with a sampling frequency of 2 KHz is developed b...

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Detalles Bibliográficos
Autores principales: Chang, Kang-Ming, Liu, Shin-Hong, Wu, Xuan-Han
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3279225/
https://www.ncbi.nlm.nih.gov/pubmed/22368481
http://dx.doi.org/10.3390/s120100489
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author Chang, Kang-Ming
Liu, Shin-Hong
Wu, Xuan-Han
author_facet Chang, Kang-Ming
Liu, Shin-Hong
Wu, Xuan-Han
author_sort Chang, Kang-Ming
collection PubMed
description Surface electromyography (sEMG) is an important measurement for monitoring exercise and fitness. Because if its high sampling frequency requirement, wireless transmission of sEMG data is a challenge. In this article a wireless sEMG measurement system with a sampling frequency of 2 KHz is developed based upon a MSP 430 microcontroller and Bluetooth transmission. Standard isotonic and isometric muscle contraction are clearly represented in the receiving user interface. Muscle fatigue detection is an important application of sEMG. Traditional muscle fatigue is detected from the median frequency of the sEMG power spectrum. The regression slope of the linear regression of median frequency is an important muscle fatigue index. A more negative slope value represents a higher muscle fatigue condition. To test the system performance, muscle fatigue detection was examined by having subjects run on a pedaled-multifunctional elliptical trainer for approximately 30 minutes at three loading levels. Ten subjects underwent a total of 60 exercise sessions to provide the experimental data. Results showed that the regression slope gradually decreases as expected, and there is a significant gender difference.
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spelling pubmed-32792252012-02-24 A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection Chang, Kang-Ming Liu, Shin-Hong Wu, Xuan-Han Sensors (Basel) Article Surface electromyography (sEMG) is an important measurement for monitoring exercise and fitness. Because if its high sampling frequency requirement, wireless transmission of sEMG data is a challenge. In this article a wireless sEMG measurement system with a sampling frequency of 2 KHz is developed based upon a MSP 430 microcontroller and Bluetooth transmission. Standard isotonic and isometric muscle contraction are clearly represented in the receiving user interface. Muscle fatigue detection is an important application of sEMG. Traditional muscle fatigue is detected from the median frequency of the sEMG power spectrum. The regression slope of the linear regression of median frequency is an important muscle fatigue index. A more negative slope value represents a higher muscle fatigue condition. To test the system performance, muscle fatigue detection was examined by having subjects run on a pedaled-multifunctional elliptical trainer for approximately 30 minutes at three loading levels. Ten subjects underwent a total of 60 exercise sessions to provide the experimental data. Results showed that the regression slope gradually decreases as expected, and there is a significant gender difference. Molecular Diversity Preservation International (MDPI) 2012-01-05 /pmc/articles/PMC3279225/ /pubmed/22368481 http://dx.doi.org/10.3390/s120100489 Text en © 2012 by the authors; licensee MDPI, Basel, Switzerland This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Chang, Kang-Ming
Liu, Shin-Hong
Wu, Xuan-Han
A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title_full A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title_fullStr A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title_full_unstemmed A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title_short A Wireless sEMG Recording System and Its Application to Muscle Fatigue Detection
title_sort wireless semg recording system and its application to muscle fatigue detection
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3279225/
https://www.ncbi.nlm.nih.gov/pubmed/22368481
http://dx.doi.org/10.3390/s120100489
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