Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction

Purpose: The relationship between EMG and elbow angle was investigated to identify the signal characteristics of upper-limb muscles during isometric contraction. The study would improve the current understanding of electrophysiological activities of the human upper limbs, which...

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Main Authors:	Rabbi, M. F., Ahamed, Nizam Uddin, Alqahtani, Mahdi, Altwijri, Omar, Kamarul Hawari, Ghazali, Sundaraj, K.
Format:	Article
Language:	English
Published:	Biomedical India 2017
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://umpir.ump.edu.my/id/eprint/18506/ http://umpir.ump.edu.my/id/eprint/18506/ http://umpir.ump.edu.my/id/eprint/18506/1/fkee-2017-rabbi-%20Investigation%20of%20the%20EMG-angle.pdf

id	ump-18506
recordtype	eprints
spelling	ump-185062018-02-21T06:42:44Z http://umpir.ump.edu.my/id/eprint/18506/ Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction Rabbi, M. F. Ahamed, Nizam Uddin Alqahtani, Mahdi Altwijri, Omar Kamarul Hawari, Ghazali Sundaraj, K. TK Electrical engineering. Electronics Nuclear engineering Purpose: The relationship between EMG and elbow angle was investigated to identify the signal characteristics of upper-limb muscles during isometric contraction. The study would improve the current understanding of electrophysiological activities of the human upper limbs, which would aid the development of prosthetic arms for rehabilitation research. Subjects and methods: Ten subjects aged 22.4(±1.5) years participated in this study. The electromyography signals from the biceps brachii muscle were recorded during isometric contraction. The root mean square and mean absolute value of the EMG signals were calculated and evaluated to assess the relationship between the signals and elbow angles. In addition, the force exerted by the upper limb was recorded using a dynamometer to identify more features of the relationship. Results: The results revealed that both the RMS and MAV of the EMG signals are not significantly related with the elbow angle (r2=0.70 and 0.21; p=0.075 and 0.43, respectively). In contrast, the force is strongly related to the elbow angle (r2=0.88, p=0.017). Conclusion: A stronger electrical signal was generated by the upper-limb muscles with an increase in the angle of the elbow joint, whereas a lower force was obtained with an increase in the elbow joint angle. Biomedical India 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/18506/1/fkee-2017-rabbi-%20Investigation%20of%20the%20EMG-angle.pdf Rabbi, M. F. and Ahamed, Nizam Uddin and Alqahtani, Mahdi and Altwijri, Omar and Kamarul Hawari, Ghazali and Sundaraj, K. (2017) Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction. Biomedical Research (India), 28 (6). pp. 2393-2397. ISSN 0970-938X http://www.alliedacademies.org/articles/investigation-of-the-emgangle-relationship-in-the-upperlimb-muscles-during-isometric-contraction.pdf
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Rabbi, M. F. Ahamed, Nizam Uddin Alqahtani, Mahdi Altwijri, Omar Kamarul Hawari, Ghazali Sundaraj, K. Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
description	Purpose: The relationship between EMG and elbow angle was investigated to identify the signal characteristics of upper-limb muscles during isometric contraction. The study would improve the current understanding of electrophysiological activities of the human upper limbs, which would aid the development of prosthetic arms for rehabilitation research. Subjects and methods: Ten subjects aged 22.4(±1.5) years participated in this study. The electromyography signals from the biceps brachii muscle were recorded during isometric contraction. The root mean square and mean absolute value of the EMG signals were calculated and evaluated to assess the relationship between the signals and elbow angles. In addition, the force exerted by the upper limb was recorded using a dynamometer to identify more features of the relationship. Results: The results revealed that both the RMS and MAV of the EMG signals are not significantly related with the elbow angle (r2=0.70 and 0.21; p=0.075 and 0.43, respectively). In contrast, the force is strongly related to the elbow angle (r2=0.88, p=0.017). Conclusion: A stronger electrical signal was generated by the upper-limb muscles with an increase in the angle of the elbow joint, whereas a lower force was obtained with an increase in the elbow joint angle.
format	Article
author	Rabbi, M. F. Ahamed, Nizam Uddin Alqahtani, Mahdi Altwijri, Omar Kamarul Hawari, Ghazali Sundaraj, K.
author_facet	Rabbi, M. F. Ahamed, Nizam Uddin Alqahtani, Mahdi Altwijri, Omar Kamarul Hawari, Ghazali Sundaraj, K.
author_sort	Rabbi, M. F.
title	Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
title_short	Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
title_full	Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
title_fullStr	Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
title_full_unstemmed	Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction
title_sort	investigation of the emg-angle relationship in the upper-limb muscles during isometric contraction
publisher	Biomedical India
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/18506/ http://umpir.ump.edu.my/id/eprint/18506/ http://umpir.ump.edu.my/id/eprint/18506/1/fkee-2017-rabbi-%20Investigation%20of%20the%20EMG-angle.pdf
first_indexed	2023-09-18T22:26:15Z
last_indexed	2023-09-18T22:26:15Z
_version_	1777415985769218048

Investigation of the EMG-angle Relationship in the Upper-limb Muscles during Isometric Contraction

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