Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Kinematical Analysis of Projection Factors to Record Difference dur ing Women's Javelin Throwing

여자 창던지기 시 기록 차이에 따른 투사요인의 운동학적 분석

  • Park, Jae-Myoung (Department of Physical Education, Graduate School of Korea National Sport University) ;
  • Yoon, Seok-Hoon (Department of Community Sport, School of Community Sport, Korea National Sport University)
  • 박재명 (한국체육대학교 대학원 체육학과) ;
  • 윤석훈 (한국체육대학교 사회체육학부)
  • Received : 2010.10.25
  • Accepted : 2010.12.15
  • Published : 2010.12.31
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Abstract

This study intends to analyze the projection factors' difference on each record of women's javelin throwing. For this purpose, the research analyzed the best record and the lowest one of athletes in top 1~7 ranks respectively, who participated in 2009 Daegu Pre-Championship Meeting. For analyze kinematic factors, we analyzed their game photos mainly shot by 3 cameras installed in side places. The used analysis program was Kwon3D 3.1. Analysis variables were the projection velocity, angle, height, trunk lean angle, and supporting leg's knee angle. The results concluded as follows: Different record showed statistically significant differences(p<.05) in terms of horizontal velocity and resultant velocity. There were no statistically significant differences in the variables of projection angle, its height, trunk lean angle and knee angle of support leg. But for the analyzed results to each individual characteristics, the horizontal velocity, projection height, knee angle of support leg and trunk lean angle of release event appeared to have influence on record.

Keywords

References

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