한국운동역학회지 (Korean Journal of Applied Biomechanics)

  • 제30권1호
  • /
  • Pages.27-35
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  • 2020
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  • 1226-2226(pISSN)
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  • 2093-9752(eISSN)
한국운동역학회 (Korean Society of Applied Biomechanics)
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골프스윙 시 지면반력 크기와 시간 차이가 클럽헤드 속도에 미치는 영향

Effects of Clubhead Velocity on GRF Magnitude and Time during 7-iron Swing

  • 투고 : 2019.10.28
  • 심사 : 2020.02.26
  • 발행 : 2020.03.31
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초록

Objective: The purpose of this study was to investigate the influence of clubhead velocity through regression analysis on the magnitude and time difference of the forward-backward, mediolateral, and vertical ground reaction peak forces generated by force plate during golf swing. Method: 16 subjects (age: 20.5±4.2 yrs, height: 176.0±5.4 cm, weight: 77.8±5.9 kg, handy: 2.4±1.7) who is elite golf player in high school and university, participated in this study. The study method adopted three-dimensional analysis with 8 cameras and ground reaction force measurement with two force plate. The analysis variables were clubhead velocity, and ground reaction analysis variables set four events in each graph based on the peak forces commonly generated in Fx, Fy, and Fz graphs of the ground reaction data during the golf swing. Results: As a result of analyzing the influence of ground reaction magnitude difference on clubhead velocity, the influence on clubhead velocity was ym4, zm1, xm4, zm2. The larger ym4, xm4, zm1, the fasterthe clubhead velocity, but the smallerthe zm2, the faster the clubhead velocity. And in time difference, the influence on the clubhead velocity was in the order of xt4, zt1, zt3. The shorter xt4, zt1, zt3 showed faster clubhead velocity. Conclusion: The leftfoot played a leading role in increasing the velocity of the clubhead. Although the result was caused by the interaction of the right foot and the left foot during the swing, the role of the left foot is relatively large.

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참고문헌

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