一个运动员的短跑速度主要是受步长和步频共同影响的,只有两者的比例搭配合理,才会产生最大速度。影响步长和步频的直接因素主要是由下肢力量和爆发力、摆臂动作以及踝、臀、肩的柔韧性和灵活性。因此,教练员在平时训练过程中应对以下三方面注重加强和提高。 An athlete’s dash speed is mainly affected by the pace and pace of the common impact, and only the ratio of the two with a reasonable, will have the maximum speed. The direct factors that influence the step length and pitch are mainly the strength and explosive force of the lower extremity, the swinging arm movement and the flexibility and flexibility of the ankle, buttocks and shoulders. Therefore, the coaches in the usual training process should focus on strengthening and improving the following three areas.