自行车运动员踏蹬技术研究

Technical Analysis of Cycling Treading

利用"自行车运动训练测试台"同步采集了70名运动员在任一踏蹬周期中左、右脚曲柄和脚蹬的角度,垂直与平行于脚蹬面的瞬时力值及派生参数,合力、有用力、效率等。应用运动力学结合人体踝关节做圆周运动的生理特点,经理论统计分析,定量地给出了一种较好的踏蹬技术方式。并提出一种新的圆图表示法。同时对踏蹬技术中"死点"的概念提出了新的看法,充实了自行车运动踏蹬技术的理论。

Angles of left/right cycling pedals and curving handles,momentary strength alterations of vertical/horizontal strikings and other relevent indexes such as compound forces,necessary forces,and their efficiencies were recorded for a total of 70 cyclists on a special training treadmill for cycling.Combined with physiologicaal properties of pedal ankles in circular exercises,statistical analysis of sports mechanics was applied to gain an available and quantitative scheme for cycling treading with a brand -new circular indecation. A new consideration about 'dead point' was also drawn up.