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한국 남자 창던지기 선수들의 순위별 창의 운동학적 특성
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  • 한국 남자 창던지기 선수들의 순위별 창의 운동학적 특성
저자명
김태삼,류지선,박재명,Kim. Tae-Sam,Ryu. Ji-Seon,Park. Jae-Myoung
간행물명
한국운동역학회지
권/호정보
2013년|23권 2호|pp.99-108 (10 pages)
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한국운동역학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The purpose of this study was to analyze the kinematic characteristics of javelin to compare the characteristics between world elite athletes and local male athletes. The subjects selected 9 athletes out of total 13 athletes recorded more than 65 m in the preliminary and main competition participated in the 93rd National Sports Festival held in 2012. Three-Dimensional motion analysis using a system of 4 video cameras(Sony HXR-MC2000) at a sampling frequency of 60 fields/s was performed for this study. The Kwon3D 3.1 was used to obtain the three dimensional coordinates about the top, grip, end of javelin. And the kinematic factors of javelin calculated using Matlab2009a program. The resultant speed of javelin that affects directly to the record of performance showed 26.08 m/s indicated lower speed of about 2-3 m/s than world elite athletes. The release point appeared to have been made at the high of $1.79{pm}0.07$ m of 99.8% of the height of the athletes. In terms of release angle, it was indicated average $33.0{pm}3.81^{circ}$ lower release angle compared to the world elite athletes. The attitude angle(up & down tilt angle, X axis) related to javelin indicated average $38.5{pm}4.96^{circ}$, its related attack angle average $5.5{pm}5.11^{circ}$, and yaw angle(sideslip, side attack angle) average $15.7{pm}8.48^{circ}$.