膝抛——作为抛接动作中不可缺少的类型之一,在其长期的技术演变过程中,已经形成了自己所独特的技术风格和训练方法,并日臻完善。它在整套动作的地位和作用,以及今后发展的乐观前景,已逐渐引起了广大教练员的重视。同其它抛接动作一样。做膝抛时,下面人应根据上面人所做动作的不同,将其总质心的运动轨迹尽可能抛得最高或又高又远。以利上面人有足够的时间和空间来 As one of the indispensable types in throwing action, knee-jerk has formed its own unique technical style and training method in its long-term technological evolution and is improving day by day. Its status and role in the whole set of actions and the optimistic prospects for its future development have gradually drawn the attention of the majority of coaches. Same as other throw action. When doing knee-toss, the following people should be based on what people do different action, the trajectory of its total mass center as far as possible throw the highest or high and far. Eli therefore people have plenty of time and space