Publication:

國內優秀男子撐竿跳高選手持竿助跑及起跳動作技術之分析

本研究主要目的在分析男子撐竿跳高選手持竿助跑最後四步與起跳動作技術，探討持竿助跑速度與起跳動作技術對成績之影響，以及與國外優秀選手做分析比較，從中找出差異，進而提昇運動成績。研究對象以2012年全國田徑錦標賽前三名為研究對象，使用數位攝影機每秒60張畫面進行拍攝

，擷取持竿助跑中最後四步及起跳之技術動作，透過(APAS)動作分析系統對影片進行數位化處理，取得相關運動學參數。研究結果發現：

一、國內選手在持竿助跑最後四步及起跳之速度和國外優秀選手有明顯的差距。

二、國內選手起跳點，踏在上手腕握竿位置之垂直線的前方，影響起跳時水平速度的損耗。

三、國內選手握竿高度較低以至於成績表現也不佳。

四、國內選手握竿磅數不足，無法讓竿子釋放更大的反彈位能。

五、國內A選手在各項數據都優於其他國內選手。

六、國內B選手在助跑的每一步及起跳之速度，均為三位國內選手中最差。

七、國內C選手助跑最高速出現在倒數第四步，而至起跳前竟遞減0.21 (m/s) ，為三位國內選手中遞減最多的。

The purpose of the present study was to analyze the techniques that male pole-vaulters used for the final four strides of the approach run-up and take-off in order to examine the effect of different techniques on the sports performance. In addition, the techniques used by domestic and international pole-vaulters were compared and discussed. By comparing the various techniques adopted by these two groups of male pole-vaulters, objective suggestions for improving sports performance could be made. Data were collected from the top three male pole-vaulters in the 2012 National Track and Field Competition. Their movements of the final four strides of the approach run-up and take-off were filmed by a digital camera which took 60 pictures per second and were analyzed by using APAS motion analysis system. The results suggested that:

1.The speed of the final four strides of approach run-up and take-off in domestic pole-vaulters were significantly slower than that in international pole-vaulters.

2.The take-off point of the domestic pole-vaulters was anterior to the vertical line of the grasping point of the upper hand, which in turn affected the loss of the horizontal speed at take-off.

3.The height of the hand-grasping point could affect sports performance. The grasping height of the domestic pole-vaulters was lower than that of the international pole-vaulters.

4.The weight of the pole was another factor affecting sports performance. The weight of the pole used by the domestic pole-vaulters was insufficient to release enough rebound energy for better performance.

5.The domestic pole-vaulter A had best performance for all the measures analyzed in the present study.

6.The domestic pole-vaulter B had the lowest speed for each of the final four strides and take-off.

7.The domestic pole-vaulter C had the greatest loss of speed during the approach run-up. The highest speed appears at the final fourth stride, and it lost 0.21 m/s before take-off.