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KMID : 0384919990080020156
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Korean Journal of Occupational Health Nursing
1999 Volume.8 No. 2 p.156 ~ p.161
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Application of EMG Analysis for Department Store Female workers
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Kwon Young-Gook
Kim Soon-Lae
Ji Ju-Ok
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Abstract
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The EMG(Electromyography) analysis was used to identify the fact the dept cc of inclined step was selected as dependent variable and feet muscle fatigue was selected as a independent variable.
In a final result from EMG test, the shift iii median frequency (ME) with 20. 25. 30. ?
degtce of inclined steps indicated that 30 degree step was identified as most effective for a decrease in feet muscle fatigue.
In a department store, 80% of the workers arc female standing sales workers. They work at standing on average 10 hours per day. They performed heavy duty jobs such as lifting. lowering, packing and carrying heavy materials. Furthermore, even though they have work shoes. they usually use various kind of high heels. Eventually, this situation develops low-back-pain (LBP) problems for female workers.
In conclusion, it is recommended that a particular branch in a department store claimed this step can effectively to circulate blood and significantly decrease feet muscle fatigue in lower extremity.
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KEYWORD
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EMG analysis, Female workers
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