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Biomechanical Analysis of Run-up of the Wushu Jumping-Front-Kick
|Abstract:||「武術」是唯一進入亞洲運動會成為國際性的中國傳統體育運動競賽項目， 其中 長拳比賽的『騰空飛腳』動作，是套路指定的跳躍性動作。由於武術裁判法指出『騰空看高 度』的評分準則，因此，適宜地運用三步的助跑技術，為調和起跳階段動作做準備，以增加 跳躍高度，凸顯出動作的特性，進而影響裁判於「風格、節奏」與「勁力、協調」方面的主 觀給分。因此本研究的主要目的乃是利用 Peak Performance 二度空間影片分析系統，探討 優秀武術運動員『騰空飛腳』動作助跑階段的運動學特徵，並對國內優秀武術運動員『騰空 飛腳』的助跑技術進行診斷。 實驗以國內六名優秀武術選手為受試者， 平均身高為 167.9 ± 6.0 公分，平均身體質量為 62.0 ± 5.0 公分，平均年齡為 20.0 ± 2.8 歲， 平均習 武年齡為 3.0 ± 1.2 歲。 並以重複量數相依樣本 t 檢定（α =0.1 ）比較助跑兩步動作 的差異。結果發現六位受試者中，僅有跳得最高的運動員助跑階段逐漸降低其重心；而重心 水平速度的極大值多半產生於第一飛程階段，其減速可用於從容調整起跳時的動作技術，此 一結果也與《武術基本功》（ 1988 ）一書對於騰空飛腳技術的描述有所不同。最後，本研 究建議國內武術選手施行「騰空飛腳」動作助跑時，應逐步降低重心，並在最後一步前仰身 增加髖關節角度，致使膝關節於起跳階段初期有適宜的彎曲角度，以從容的起跳。|
Among traditional Chinese physical educational cultures, Wushu is the only avtivity that has became one of the competition events in the Asian Games. The Wushu jumping-front-kick is an important jumping action in Wushu competition, and the height of the jump that the athlete completes is a very important element to evaluate the athlete's performance by the Rules for International Wushu Routine Competition. Having a well skill of run-up of the jumping-front-kick will effectually enhance the height of jump. The purpose of this study was to analyze the biome-chanical characteristics and then to diagnose the skill of the run-up of the Wushu umping-front-kick for elite Wushu athletes of Taiwan. Six elite male Wushu athletes of Taiwan were served as the subjects in this study. Their mean (� S.D.) age, height, and weight were 20.0 � 2.8 years, 167.9 � 6.0 cm, and 62.0 � 5.0 kgw, respectively. Peak Performance Video Motion Analysis System (120Hz) was used to record, digitize, and calculate the biomechanical parameters in the run-up of the Wushu jumping-front-kick. The results indicated: (1) The best athlete's center of gravity was getting lower in step by step, but the other athletes were opposing the best athlete's performance. (2) The maximum horizontal velocity of center of gravity was usually appeared before the takeoff step that was different with the advice from the book of "Fundamentals of Wushu" (1988) that indicated the running speed must be faster from step to step in the three steps approaching skill. (3) This study suggested that Wushu players should lower their center of gravity step by step, and the trunk should be leaning backward before the last step to increase the right hip angle in order to bring out a optimum angle of right knee during the initial takeoff phase.
|Appears in Collections:||教師著作|
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