女子跳遠選手動作之運動學分析

The Kinematical Analysis of Female Long Jump

陳建勳(Jian-Shium Chen) ； 游正忠(Cheng-Chung Yu)

《運動教練科學》 9期 (2007/12) Pp. 13-21

https://doi.org/10.6194/SCS.2007.09.02

摘要

Purpose: The purpose of this study was analyze female long jumpers' approach, takeoff and flight movements. Method: This study used three cameras with a speed of 60 frames per second to record the jumper's performance in the 2005 International Track and Field Competition. According the Dempster model(1955) to record 14-segments and 21-joint points on the jumper's performance through the Kwon3D analysis software to analyze the dates. Results and Conclusions: First, the run-up speed is still a key factor that significantly influences on the performance(r=.839 r=.934, p＜.05). Second, the fight time of female athletes significantly correlated with their performance, which indicates that prolonging the flight time would get better results. Third, the angle of the free leg during the support phase was bigger than that push-off phase, and buffer phase, the angle of the free leg had correlated significantly with the performance(r=0.675、r=0.636, p＜.05). That is shows the fast-moving motions of the free leg during the buffer phase would influence performance. Suggestion: It is suggested that athletes increase their approach and strengthen training in their leg muscles for moving limbs' degree and velocity will promote better their vertical velocity and hopping angle.

關鍵字

跳遠 ； 助跑速度 ； 起跳 ； 空中動作 ； 角動量

並列摘要

Purpose: The purpose of this study was analyze female long jumpers' approach, takeoff and flight movements. Method: This study used three cameras with a speed of 60 frames per second to record the jumper's performance in the 2005 International Track and Field Competition. According the Dempster model(1955) to record 14-segments and 21-joint points on the jumper's performance through the Kwon3D analysis software to analyze the dates. Results and Conclusions: First, the run-up speed is still a key factor that significantly influences on the performance(r=.839 r=.934, p＜.05). Second, the fight time of female athletes significantly correlated with their performance, which indicates that prolonging the flight time would get better results. Third, the angle of the free leg during the support phase was bigger than that push-off phase, and buffer phase, the angle of the free leg had correlated significantly with the performance(r=0.675、r=0.636, p＜.05). That is shows the fast-moving motions of the free leg during the buffer phase would influence performance. Suggestion: It is suggested that athletes increase their approach and strengthen training in their leg muscles for moving limbs' degree and velocity will promote better their vertical velocity and hopping angle.

並列關鍵字

long jump ； approach ； takeoff ； flight motion ； angular momentum

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