通过观摩高水平比赛和查阅文献资料,并结合自己多年教学实践的体会,笔者对乒乓球运动员接发球时的膝关节和踝关节的屈伸度以及重心移动等方面进行分析、研究,用以指导初学者,使初学者接发球时的准备姿势更好地符合乒乓球运动的内在规律。一、膝关节的适度弯屈是接发球时快速移 Through observing the high-level competition and consulting the literature, combined with my experience in teaching practice for many years, the author analyzes and studies the flexion and extension and the center of gravity of the knee and ankle when the ping-pong player receives the ball, Scholars, so that beginners receive the ball preparation posture to better meet the inherent law of table tennis. First, the moderate knee flexion is the rapid transfer of service