研究生: |
林永錫 Lin Yung Hsi |
---|---|
論文名稱: |
男子直體塚原轉體900度跳馬動作之運動學比較研究 The Kinematic Comparison of Tsukahara 900 on Men 's Vault |
指導教授: |
蔡虔祿
Tsai, Chien-Lu |
學位類別: |
碩士 Master |
系所名稱: |
體育學系 Department of Physical Education |
論文出版年: | 2004 |
畢業學年度: | 92 |
語文別: | 中文 |
論文頁數: | 54 |
中文關鍵詞: | 跳馬 、運動學 、直體塚原轉體900度 |
英文關鍵詞: | vault, kinematics, Tsukahara 900 |
論文種類: | 學術論文 |
相關次數: | 點閱:145 下載:11 |
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男子直體塚原轉體900度跳馬動作之運動學比較研究
研究生:林永錫
2004年7月 指導教授:蔡虔祿
摘 要
本研究主要目的在探討一名能夠成功實施直體塚原轉體900度的選手(受試者A)其運動學特徵,並分析比較受試者A與另一位初學此動作的選手(受試者B)實施直體塚原轉體900度動作技術上的差異,並找出影響此動作成功與失敗的運動學參數。本研究是以兩部Redlake高速數位攝影機(拍攝頻率125Hz快門1/625sec)進行動作過程的拍攝,所得影像資料由Kwon 3D影像分析系統進行直接線性轉換(DLT)與各運動學參數的運算。本研究所得之結果如下:
受試者A助跑最高水平速度9.67m/s、觸板重心水平速度7.88 m/s、離板重心水平速度為5.79m/s、離馬重心垂直速度3.54m/s、離馬角67度、第二飛程重心高度2.92m、縱軸轉體平均角速度19.74rad/s、最快縱軸轉體角速度27.49rad/s、著地角75度,皆比受試者B的助跑最高水平速度9.19m/s、觸板重心水平速度7.36m/s、離板重心水平速度5.66 m/s、離馬重心垂直速度3.50m/s、離馬角59度、第二飛程重心高度2.89m、縱軸轉體平均角速度16.74rad/s、最快縱軸轉體角速度23.25rad/s、著地角42度來得好。受試者A在踏跳動量、身體軸翻轉角速度也皆比受試者B來得大。
因此,受試者A比受試者B有較佳的助跑水平速度、踏跳技術、推撐技術、轉體能力、著地技術。所以建議受試者B可以加強在跳馬訓練課表中加上跑步衝刺的練習,以提升助跑的能力。多利用踏板做空翻彈跳的練習,以提升踏跳的技術與能力。及增加彈簧床練習,以提升空中轉體技術與空翻的感覺。並加強著地動作的輔助訓練,以增加著地的定。
關鍵詞:跳馬、運動學、直體塚原轉體900度
The Kinematic Comparison of Tsukahara 900° on Men’s Vault
Graduate Student:Yung-Hsi Lin
2004/07 Advisor:Chien-Lu Tsai
ABSTRACT
The purpose of this research was to compare the different kinematic variables between the two Gymnastics (subject A and subject B) when they were performing the movement of Tsukahara 900°. Two Redlake high speed digital cameras (125Hz,Shutter 1/625s) were used to record the element of Tsukahara 900°. The results were shown as follow. The peak approaching velocity of subject A was 9.67m/s, the horizontal velocity of touch down on the board was 7.88m/s, the horizontal velocity of takeoff board was 5.79m/s, leaving vault vertical velocity was 3.54m/s and the leaving vault angle was 67°. The peak height of center of mass (COM) in the second flight period in the air was 2.92m, In the twist period, the averaged angular velocity was 19.74rad/s, the greatest twisting velocity was 27.49rad/s, the landing angle of COM was 75°. The kinematic data of subject B were, the peak of approaching velocity 9.19m/s, the horizontal velocity of touch down the board was 7.36m/s, the horizontal velocity of takeoff board was 5.66m/s, leaving vault vertical velocity was 3.50m/s and the leaving vault angle was 59°. The height of COM in the second flight period in the air was 2.89m, in the twist period, the averaged twist angular velocity was 16.74rad/s, the greatest twisting velocity was 23.25rad/s, the landing angle of COM was 42°. Subject A shows better approaching momentum, horizontal and vertical twisting velocity than subject B.
The results showed that subject A preformed better approaching velocity, takeoff technique, twist movement and landing technique than subject B. we suggested subject B had to improve the technique of approaching velocity, the ability of take off, twist angular velocity and landing stability.
Key words: vault、kinematics、Tsukahara 900°
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