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跳远和跳高的起跳动作,又叫做踏跳。跳远时运动员经助跑后,由固定在沙坑直道上的跳板踏跳;而跳高时沙坑边没有固定的跳板,横杆前的地面均可以踏跳。无论跳远和跳高,踏跳是很关键的一个动作,它是助跑动作的延续,腾空动作的开始,运动员除了需要确定好起跳腿与摆动腿,以及踏正步点外,动作本身是由摆臂、摆腿和迅速蹬直起跳腿三个部分组成。其中,迅速蹬直起跳腿是关键的关键,与此同时,还要求摆臂、摆腿与蹬地动作协调配合。
The jumping action of long jump and high jump is also called jumping. In the long jump, when the athlete runs up, it is stepped on the springboard fixed on the bunker straight track; in the high jump, there is no fixed springboard on the side of the bunker, and the ground in front of the crossbar can be stepped. Regardless of the long jump and high jump, stepping is a key action. It is the continuation of the run-up action, the beginning of the vacant action. In addition to the athlete’s need to determine the jumping and swinging legs and the stepping point, the action itself is the swing arm. Swing legs and quickly pick up three parts. Among them, the key to rapid jumping is the key, and at the same time, it is also required that the swing arm, the swing leg be coordinated with the action of the depression.