女子跳遠與三級跳遠選手腿部增強式收縮能力的分析

The Analysis on Plyometric Ability of Female Long Jumpers and Triple Jumpers

10.29697/JPE.200605.0017

陳建勳(Jian-Syun Chen)；游正忠(Cheng-Chung You)；邱翼松(I-Sung Chiu)

增強式收縮 ； 反應係數 ； 緩衝幅度 ； 偶聯角 ； Plyometric contraction ； Coupling angle ； Range of muscular preload ； Response coefficient

輔仁大學體育學刊

5期（2006 / 05 / 31）

201 - 218

繁體中文

Purpose: The purpose of this study is to assess plyometric ability of female long and triple jumpers, and the study's result will serve as a reference for coaches or for training and coaching materials. Method: The study used five cameras with a speed of 60 flames per second (Canon ZR-60) to film the finalists in the woman's long jump and triple jump at the 2003 National Games. The two-dimensional film analysis based on a 14-segment and 21-point body model was conducted. Result and Conclusion: The study's results were as follows. 1. The response coefficients reflected by the muscle d ring the support phase reached 17.18±12.86 and 63.47±14.43 in the woman's long and triple final respectively. The response coefficient in the woman's long jump final had significant main effect on performance (r=0.687, P＜.0.05). 2. The hip joint alignment from landing to muscular preload did not decrease gradually, indicating that hip joint was not the main impact-alleviation joint in long and triple jumps. 3. The angle of knee joint during muscular preload reached 17.12±3.43^0 for long jump and 17.28±4.63^0 for triple jump. The muscular preload was not significantly correlated with the horizontal and vertical velocity at landing and takeoff. 4. The angle of ankle joint at muscular preload was 16.13±4.75^0, and ranged around 32.16±9.23^0 at leg drive. Both figures revealed no significant correlation with the horizontal and vertical velocity at landing and take-off. 5. During the support phase, a negative significant correlation was found between muscular preload and performance (r=-0.694) in the long jump. 6. The coupling angle between the ankle and knee joints was positive, revealing that both ankle-and knee joints shortened and stretched at the same time during muscular preload and the leg drive; the coupling angle between the knee and hip joints was found negative during muscular preload, which means that both joints were not saving energy for the next step simultaneously.

Purpose: The purpose of this study is to assess plyometric ability of female long and triple jumpers, and the study's result will serve as a reference for coaches or for training and coaching materials. Method: The study used five cameras with a speed of 60 flames per second (Canon ZR-60) to film the finalists in the woman's long jump and triple jump at the 2003 National Games. The two-dimensional film analysis based on a 14-segment and 21-point body model was conducted. Result and Conclusion: The study's results were as follows. 1. The response coefficients reflected by the muscle d ring the support phase reached 17.18±12.86 and 63.47±14.43 in the woman's long and triple final respectively. The response coefficient in the woman's long jump final had significant main effect on performance (r=0.687, P＜.0.05). 2. The hip joint alignment from landing to muscular preload did not decrease gradually, indicating that hip joint was not the main impact-alleviation joint in long and triple jumps. 3. The angle of knee joint during muscular preload reached 17.12±3.43^0 for long jump and 17.28±4.63^0 for triple jump. The muscular preload was not significantly correlated with the horizontal and vertical velocity at landing and takeoff. 4. The angle of ankle joint at muscular preload was 16.13±4.75^0, and ranged around 32.16±9.23^0 at leg drive. Both figures revealed no significant correlation with the horizontal and vertical velocity at landing and take-off. 5. During the support phase, a negative significant correlation was found between muscular preload and performance (r=-0.694) in the long jump. 6. The coupling angle between the ankle and knee joints was positive, revealing that both ankle-and knee joints shortened and stretched at the same time during muscular preload and the leg drive; the coupling angle between the knee and hip joints was found negative during muscular preload, which means that both joints were not saving energy for the next step simultaneously.

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