산업경영시스템학회지 (Journal of Korean Society of Industrial and Systems Engineering)

  • 제25권4호
  • /
  • Pages.46-53
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  • 2002
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  • 2005-0461(pISSN)
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  • 2287-7975(eISSN)
한국산업경영시스템학회 (Society of Korea Industrial and System Engineering)
권호 표지

작업 요인이 push-pull strength와 근육 동원 패턴에 미치는 영향

Effect of various work factors on push-pull strength and muscle recruitment pattern

  • 심정훈 (동아대학교 산업시스템공학과) ;
  • 이상도 (동아대학교 산업시스템공학과)
  • 발행 : 2002.08.01
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초록

Push-pull strength has been found to be associated with various work factors such as height, distance, repetition, duration, posture and individual factors. Therefore, this study was performed to investigate the effect of various work factors on push-pull strength and muscle recruitment pattern. Work factors were consisted of grip height(elbow, shoulder), grip distance(100%, 50%, and 25% of maximum grip distance) and shoulder angle(neutral($90^{\cire}$), and abduction($45^{\cire}$, $0^{\cire}$)) during sitting work. The results showed that the normalized strength and EMG value were higher at the elbow height than the shoulder height, and increased with grip distance and shoulder adduction. The results of ANOVA showed that there was significant difference on muscle recruitment patterns among the task conditions. Therefore, it is necessary to consider work factors as well as strength to prevent workers from work-related injuries.

키워드

참고문헌

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