Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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The Contribution of Body Segments to the Club Head's Kinetic Energy in the Golf Swing

골프 스윙 시 클럽 헤드의 운동에너지에 대한 신체 분절의 기여도

  • Chang, Jae-Kwan (Department of Golf Management, College of Physical Education, Kyunghee University) ;
  • Ryu, Ji-Seon (Sport & Health Management Major, School of Sport Health & Welfare, Korea National Sport University) ;
  • Yoon, Suk-Hoon (Department of Community Sport, School of Community Sport, Korea National Sport University)
  • 장재관 (경희대학교 체육대학 골프경영학과) ;
  • 류지선 (한국체육대학교 스포츠건강복지학부 스포츠건강관리) ;
  • 윤석훈 (한국체육대학교 사회체육학부 사회체육학과)
  • Received : 2010.09.10
  • Accepted : 2011.09.26
  • Published : 2011.09.30
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Abstract

The purpose of this study was to investigate the contributions of body joints to the kinetic energy of the clubhead in the golf swing. Three dimensional swing analysis was conducted on the seven KPGA golfers. The subjects were asked to swing with 45 inches of driver. The work done by body joints were computed by utilizing the inverse dynamics method. The order of work done by the body joints was lumbar > left hip > right shoulder > left wrist > right wrist > right hip at the first phase. At the second phase, the order of work done by the body joints was trunk > left elbow > right wrist > right shoulder > left wrist > right wrist. At the third phase, the order of work done by body joints was lumbar > right shoulder > left shoulder > left elbow > right wrist > right elbow. The sum of the work done by the body joints was lumbar > shoulder > wrist on the average. The kinetic energy of the club head was 430.11${\pm}$24.35 J and the subject's swing efficiency was shown as 31.82${\pm}$4.86% on the average. The contributions of body joints to the kinetic energy of the clubhead was the order of lumbar > upper right shoulder > left elbow > right wrist during the down swing.

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