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Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry

Many jobs in metal stamping industry require workers to perform in standing position. Standing is a practical working position when the workers are lifting heavy products, and pushing or pulling excessive loads because those jobs require a stable position and large degree of freedom. However, if the...

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Main Authors: Isa, Halim, Seri Rahayu , Kamat, Abdullah, Rohana, Hambali, Arif, Ab. Rahman , Mahmood
Format: Article
Language:English
Published: Penerbit UTeM 2013
Subjects:
TS Manufactures
Online Access:http://eprints.utem.edu.my/id/eprint/8799/1/Electromyography_Analysis_associated_with_Prolonged_Standing_in_Metal_Stamping_Industry.pdf
http://eprints.utem.edu.my/id/eprint/8799/
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spelling my.utem.eprints.87992015-05-28T03:59:20Z http://eprints.utem.edu.my/id/eprint/8799/ Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry Isa, Halim Seri Rahayu , Kamat Abdullah, Rohana Hambali, Arif Ab. Rahman , Mahmood TS Manufactures Many jobs in metal stamping industry require workers to perform in standing position. Standing is a practical working position when the workers are lifting heavy products, and pushing or pulling excessive loads because those jobs require a stable position and large degree of freedom. However, if the workers perform the jobs continuously in standing throughout the working hours, they may be experience muscle fatigue. The objective of this study is to measure the myoelectric levels (μV) exerted by the left and right erector spinae, left and right tibialis anterior, and left and right gastrocnemius muscles while workers perform metal stamping process and hand grinding processes in a metal stamping industry. The myoelectric levels in the muscles were measured using surface Electromyography (sEMG). Ten production workers from a metal stamping industry participated as subjects for sEMG measurement. Out of which, five workers from metal stamping process lines and another five from handwork section. The muscle activity of the subjects was measured for 5 hours and 45 minutes of continuous standing during beginning of workday, middle of workday, and end of workday from Monday to Wednesday. Results of comparison found that the two groups of workers show significant difference (p-value < 0.05) in myoelectric level in the right erector spinae, right gastrocnemius, and left tibialis anterior during the beginning of workday. However, the two groups of workers did not show any significant difference in myoelectric level during the middle of the workday and end of the workday. It can be concluded that muscle activity of the workers was determined by the work load and duration of standing. This study suggests that anti fatigue mat and micro breaks should be provided to the workers to reduce muscle fatigue. Penerbit UTeM 2013-06-24 Article PeerReviewed application/pdf en http://eprints.utem.edu.my/id/eprint/8799/1/Electromyography_Analysis_associated_with_Prolonged_Standing_in_Metal_Stamping_Industry.pdf Isa, Halim and Seri Rahayu , Kamat and Abdullah, Rohana and Hambali, Arif and Ab. Rahman , Mahmood (2013) Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry. Journal of Advanced Manufacturing Technology (JAMT) . pp. 15-26. ISSN 1985-3157
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 TS Manufactures
spellingShingle TS Manufactures
Isa, Halim
Seri Rahayu , Kamat
Abdullah, Rohana
Hambali, Arif
Ab. Rahman , Mahmood
Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
description Many jobs in metal stamping industry require workers to perform in standing position. Standing is a practical working position when the workers are lifting heavy products, and pushing or pulling excessive loads because those jobs require a stable position and large degree of freedom. However, if the workers perform the jobs continuously in standing throughout the working hours, they may be experience muscle fatigue. The objective of this study is to measure the myoelectric levels (μV) exerted by the left and right erector spinae, left and right tibialis anterior, and left and right gastrocnemius muscles while workers perform metal stamping process and hand grinding processes in a metal stamping industry. The myoelectric levels in the muscles were measured using surface Electromyography (sEMG). Ten production workers from a metal stamping industry participated as subjects for sEMG measurement. Out of which, five workers from metal stamping process lines and another five from handwork section. The muscle activity of the subjects was measured for 5 hours and 45 minutes of continuous standing during beginning of workday, middle of workday, and end of workday from Monday to Wednesday. Results of comparison found that the two groups of workers show significant difference (p-value < 0.05) in myoelectric level in the right erector spinae, right gastrocnemius, and left tibialis anterior during the beginning of workday. However, the two groups of workers did not show any significant difference in myoelectric level during the middle of the workday and end of the workday. It can be concluded that muscle activity of the workers was determined by the work load and duration of standing. This study suggests that anti fatigue mat and micro breaks should be provided to the workers to reduce muscle fatigue.
format Article
author Isa, Halim
Seri Rahayu , Kamat
Abdullah, Rohana
Hambali, Arif
Ab. Rahman , Mahmood
author_facet Isa, Halim
Seri Rahayu , Kamat
Abdullah, Rohana
Hambali, Arif
Ab. Rahman , Mahmood
author_sort Isa, Halim
title Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
title_short Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
title_full Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
title_fullStr Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
title_full_unstemmed Electromyography Analysis associated with Prolonged Standing In Metal Stamping Industry
title_sort electromyography analysis associated with prolonged standing in metal stamping industry
publisher Penerbit UTeM
publishDate 2013
url http://eprints.utem.edu.my/id/eprint/8799/1/Electromyography_Analysis_associated_with_Prolonged_Standing_in_Metal_Stamping_Industry.pdf
http://eprints.utem.edu.my/id/eprint/8799/
_version_ 1665905374354472960
score 13.211869

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