Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults

Although the effect of an Electromyographic (EMG) signal on the Biceps Brachii (BB) muscle is at the forefront of human movement analysis, there is limited information regarding the importance of the differences in the age-related EMG responses during contraction. The present study aimed to compare...

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Main Authors: Nizam Uddin, Ahamed, Mahdi, Alqahtani, Omar, Altwijri, Matiur, Rahman, Kenneth, Sundaraj
Format: Article
Language:English
Published: Allied Academies 2016
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Online Access:http://eprints.utem.edu.my/id/eprint/17735/1/Age-Related%20EMG%20Responses%20Of%20The%20Biceps%20Brachii%20Muscle%20Of%20Young%20Adults.pdf
http://eprints.utem.edu.my/id/eprint/17735/
http://www.alliedacademies.org/articles/agerelated-emg-responses-of-the-biceps-brachii-muscle-of-young-adults.pdf
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spelling my.utem.eprints.177352021-09-15T00:40:31Z http://eprints.utem.edu.my/id/eprint/17735/ Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults Nizam Uddin, Ahamed Mahdi, Alqahtani Omar, Altwijri Matiur, Rahman Kenneth, Sundaraj T Technology (General) TK Electrical engineering. Electronics Nuclear engineering Although the effect of an Electromyographic (EMG) signal on the Biceps Brachii (BB) muscle is at the forefront of human movement analysis, there is limited information regarding the importance of the differences in the age-related EMG responses during contraction. The present study aimed to compare the BB muscle activity of three different groups of young adults divided based on age and to find a relationship between surface EMG and endurance time during isometric contraction. The EMG signal was recorded in 30 healthy right-arm-dominant young male subjects during a handgrip force task. The subjects were rationally divided into one of the three age groups (ten in each group): adolescents (‘A’; aged 17.3 ± 1.4 years), vicenarians (‘V’; 24.6 ± 2.1 years), and tricenarians (‘T’; 33.2 ± 1.1 years). The muscle activation during contraction was determined as the root mean square (RMS) EMG signal normalised to the peak RMS EMG signal during a 10-s isometric contraction. The statistical analysis included linear regression to examine the relationship between the EMG amplitude and the endurance time based on five levels of contraction [60%, 70%, 80%, 90% and 100% of the maximal voluntary contraction (MVC)], repeated measures ANOVA to assess differences among the different age groups and the coefficient of variation (CoV) to investigate the steadiness of the EMG activation. The result shows that the early age groups exhibit higher and steadier muscle activity (V: 3.65 ± 0.42 mV, 11.46% and A: 3.12 ± 0.29 mV, 9.29%) compared with the elderly subjects (T: 2.78 ± 0.33 mV, 11.98%). The most important finding is that the linear slope coefficient for the EMG (amplitude) as a function of time for the muscle of the ‘V’ group (r2=0.591, P<0.05) was significantly greater compared those found for the muscles of the ‘T’ (r2=0.152, P>0.05) and ‘A’ groups (r2=0.203, P > 0.05). The results obtained in this study can be used to improve the current understanding of the mechanics and muscle functions of the BB muscle of individuals from different age groups during isometric contraction. Allied Academies 2016 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/17735/1/Age-Related%20EMG%20Responses%20Of%20The%20Biceps%20Brachii%20Muscle%20Of%20Young%20Adults.pdf Nizam Uddin, Ahamed and Mahdi, Alqahtani and Omar, Altwijri and Matiur, Rahman and Kenneth, Sundaraj (2016) Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults. Biomedical Research, 27 (3). pp. 787-793. ISSN 0970-938X http://www.alliedacademies.org/articles/agerelated-emg-responses-of-the-biceps-brachii-muscle-of-young-adults.pdf
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
topic T Technology (General)
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle T Technology (General)
TK Electrical engineering. Electronics Nuclear engineering
Nizam Uddin, Ahamed
Mahdi, Alqahtani
Omar, Altwijri
Matiur, Rahman
Kenneth, Sundaraj
Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
description Although the effect of an Electromyographic (EMG) signal on the Biceps Brachii (BB) muscle is at the forefront of human movement analysis, there is limited information regarding the importance of the differences in the age-related EMG responses during contraction. The present study aimed to compare the BB muscle activity of three different groups of young adults divided based on age and to find a relationship between surface EMG and endurance time during isometric contraction. The EMG signal was recorded in 30 healthy right-arm-dominant young male subjects during a handgrip force task. The subjects were rationally divided into one of the three age groups (ten in each group): adolescents (‘A’; aged 17.3 ± 1.4 years), vicenarians (‘V’; 24.6 ± 2.1 years), and tricenarians (‘T’; 33.2 ± 1.1 years). The muscle activation during contraction was determined as the root mean square (RMS) EMG signal normalised to the peak RMS EMG signal during a 10-s isometric contraction. The statistical analysis included linear regression to examine the relationship between the EMG amplitude and the endurance time based on five levels of contraction [60%, 70%, 80%, 90% and 100% of the maximal voluntary contraction (MVC)], repeated measures ANOVA to assess differences among the different age groups and the coefficient of variation (CoV) to investigate the steadiness of the EMG activation. The result shows that the early age groups exhibit higher and steadier muscle activity (V: 3.65 ± 0.42 mV, 11.46% and A: 3.12 ± 0.29 mV, 9.29%) compared with the elderly subjects (T: 2.78 ± 0.33 mV, 11.98%). The most important finding is that the linear slope coefficient for the EMG (amplitude) as a function of time for the muscle of the ‘V’ group (r2=0.591, P<0.05) was significantly greater compared those found for the muscles of the ‘T’ (r2=0.152, P>0.05) and ‘A’ groups (r2=0.203, P > 0.05). The results obtained in this study can be used to improve the current understanding of the mechanics and muscle functions of the BB muscle of individuals from different age groups during isometric contraction.
format Article
author Nizam Uddin, Ahamed
Mahdi, Alqahtani
Omar, Altwijri
Matiur, Rahman
Kenneth, Sundaraj
author_facet Nizam Uddin, Ahamed
Mahdi, Alqahtani
Omar, Altwijri
Matiur, Rahman
Kenneth, Sundaraj
author_sort Nizam Uddin, Ahamed
title Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
title_short Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
title_full Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
title_fullStr Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
title_full_unstemmed Age-Related EMG Responses Of The Biceps Brachii Muscle Of Young Adults
title_sort age-related emg responses of the biceps brachii muscle of young adults
publisher Allied Academies
publishDate 2016
url http://eprints.utem.edu.my/id/eprint/17735/1/Age-Related%20EMG%20Responses%20Of%20The%20Biceps%20Brachii%20Muscle%20Of%20Young%20Adults.pdf
http://eprints.utem.edu.my/id/eprint/17735/
http://www.alliedacademies.org/articles/agerelated-emg-responses-of-the-biceps-brachii-muscle-of-young-adults.pdf
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score 13.159267