武術旋子與旋子轉體360°於起跳期枝運動學參數差異

The Differences of Kinematic Parameters Between Butterfly and 360o Spinning Butterfly Techniques During Taking off in Wushu

10.6646/CYPEJ.2015.7.73

張吉堯(Chi-Yao Chang)；張世聰(Shih-Tsung Chang)；陳克舟(Ke-Chou Chen)；何金山(Chin-Shan Ho)；姚棨傑(Qi-Jie Yao)

角速度 ； 轉動慣量 ； 轉體 ； Angular Velocity ； Moment of Inertia ； Revolving

中原體育學報

7期（2015 / 12 / 01）

73 - 78

繁體中文

目的：本研究指在探討旋子與旋子轉體動作起跳階段動作的運動學動作特徵差異。方法：本研究以8名武術男性選手為研究參與者，進行旋子及旋子轉體360°的測試，並採用三維動作捕捉系統收(VICON)集運動學參數。以Matlab電軟體自行撰寫程式分析受試者髖關節、膝關節與踝關節起跳期之運動學參數。統計方法採用成對樣本t檢定(Paired-Samples t-test)比較旋子及旋子轉體之運動學參數上的差異。本研究α設為.05。結果：研究結果中發現旋子及旋子轉體於起跳瞬間雙腳膝、踝關節及右髖關節角度皆達顯著性差異(p＜.05)；旋子及旋子轉體於起跳階段肩關節、右髖關節及右膝關節角速度皆達顯著性差異(p＜.05)。結論：旋子和旋子轉體進行動作於起跳階段騰空瞬間，角度與角速度是影響轉體時轉動慣量的主要因素，顯示出此兩項高難度動作騰空瞬間時右腳為最大差異也變成動作關鍵。

Purpose: The goal of this study was to investigate the differences of kinematic parameters between butterfly and spinning butterfly techniques in Wushu. Methods: A total of 8 male athletes were used as the research subjects. The subjects were required to perform butterfly and spinning butterfly and the three-dimensional motion capture system (VICON) was used to record the kinematic parameters. The MATLAB computer language was applied to develop a program, which used for calculating the kinematic parameters of hip, knee and ankle during taking off phase. A paired-samples t-test was used for statistical analysis and for identifying significant differences. The significant level was set at α =.05. Results: The results shown that there were significant differences between butterfly and spinning butterfly techniques in bilateral knee, bilateral ankle and right-hip angle during taking off (p＜.05). Regarding to the angular velocity, there were significantly different in right hip and right knee during taking off (p＜.05). Conclusions: The results of the present study indicated that the angle and angular velocity were the main factors of moment of inertia during revolving. This phenomenon demonstrated that the motion of the right-leg was the key factor between two techniques.

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