Journal of the Ergonomics Society of Korea (대한인간공학회지)

Ergonomics Society of Korea (대한인간공학회)
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Resting Hand and Wrist Posture Evaluation

휴식 상태의 손과 손목 자세 평가

  • Lee, Kyung-Sun (Industrial and Information Systems Engineering, Ajou University) ;
  • Jung, Myung-Chul (Industrial and Information Systems Engineering, Ajou University)
  • 이경선 (아주대학교 산업정보시스템공학부) ;
  • 정명철 (아주대학교 산업정보시스템공학부)
  • Received : 2009.12.21
  • Accepted : 2010.09.02
  • Published : 2010.10.30
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Abstract

The objective of this study was to evaluate the resting postures of the fingers and wrist based on the biomechanical model in term of hand posture (neutral, pronation, and supination) and gender (male and female). The finger and wrist joint angles were measured with VICON motion system. The EMG system was used to examine the muscle activity in the resting condition. The participants consisted of twenty male and twenty female students. The angles of the fingers and wrist were analyzed by means of the coordinate system associated with the International Society of Biomechanics. Hand posture was significant for all the joints. The finger and wrist joint flexed in supination more than in neutral and pronation. The hand posture and gender were not significant for the results of muscle activity, but it had larger muscle activities in supination more than in neutral and pronation.

Keywords

References

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