Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Analysis of Impulse Force and Kinematic Variable to the University Male's Triple Jumpers

남자 대학 세단뛰기 선수들의 충격력과 운동학적 변인 분석

  • Published : 2008.12.30
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Abstract

The purposes of this study were to describe the techniques used by the university male's triple jumpers and to examine the characteristics of the kinematic and the kinetic factors of the three phases of a triple jump. The subjects were the five finalists with 16.70m over in the triple jump at the 2003 World Student Games. After analyzing the kinematic and the kinetic data during the whole triple jump, the following findings are obtained. The heights of the center of gravity of takeoff and touchdown for the three phases of the triple jump were medium-law-high pattern and the same height pattern as hop and step, respectively. Mean values for the average forces exerted on the subjects ranged from 0.6 to 0.7 times body weight to the horizontal direction and about 2.8 to 3.0 times body weight to the vertical direction.

본 연구의 목적은 대학 세단뛰기 선수들의 각 지지국면에서 충격력과 운동학적 변인을 조사하는 것이다. 실제 경기 상황을 촬영하였고 경기력이 올림픽 B기준을 통과한 선수를 대상으로 영상분석 방법을 이용하여 자료를 산출하였다. 본 연구의 결과는 스텝 이륙과 착지 평균 거리가 홉과 점프의 이륙과 착지 거리보다 더 긴 것으로 조사되었다. 홉 이륙거리를 길게 하고 스텝의 착지거리를 줄여야 하는 것으로 조사되었다. 세단뛰기 각 국면에서 이륙과 접지순간에 나타나는 평균 신체중심의 높이 변화 패턴은 이륙순간에 medium-low-high이였고 접지순간에는 홉과 스텝이 동일한 패턴 이였다. 홉의 도약각도는 선행연구 보다 2도 더 높은 것으로 나타났고, 평균 충격력은 수평방향으로 체중에 약 0.6배에서 0.7배 범위에 있었고 수직방향으로는 약 2.8배에서 3.0배의 범위에 있는 것으로 나타났다.

Keywords

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