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

  • 제36권1호
  • /
  • Pages.1-7
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  • 2013
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  • 2005-0461(pISSN)
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  • 2287-7975(eISSN)
한국산업경영시스템학회 (Society of Korea Industrial and System Engineering)
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운동 강도가 손 안정성에 미치는 영향

Effects of Exercise Intensity on Hand Steadiness

  • 한승조 (단국대학교 산업공학과) ;
  • 김선욱 (단국대학교 산업공학과) ;
  • 구교찬 (단국대학교 산업공학과)
  • Han, Seung Jo (Department of Industrial Engineering, Dankook University) ;
  • Kim, Sun-Uk (Department of Industrial Engineering, Dankook University) ;
  • Koo, Kyo Chan (Department of Industrial Engineering, Dankook University)
  • 투고 : 2012.08.15
  • 심사 : 2013.01.16
  • 발행 : 2013.03.31
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초록

This study is aimed to investigate the association between anaerobic-aerobic exercise intensity and hand steadiness. Hand steadiness is the decisive contributor to affecting the job performance just as in the rifle shooting and archery in sports and the microscope-related jobs requiring hand steadiness in industries. In anaerobic exercise condition hand steadiness is measured through hand steadiness tester having 9 different diameter holes after each subject exerts 25%, 50%, 75%, and 100% of maximum back strength. In aerobic exercise occasion it is evaluated at each time heart rate reaches 115%, 130%, and 145% of reference heart rate measured in no task condition after they do jumping jack. The results indicate that an increased intensity in both types of exercise reduces hand steadiness, but hand steadiness at 25% of maximum back strength and 115% of reference heart rate is rather greater than at no exercise. Just as the relation between cognitive stress and job performance has upside-down U form, so does the association of physical loading to hand steadiness, which means that a little exercise tends to improve hand steadiness in comparison with no exercise.

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