一、握持铅球握持球技术。要求，铅球应放在肩上锁肩窝处，用下颌部位抵住球。学生在预备姿势时基本能达到要求。但滑步一开始球就离开了颈部变成用手托着球，最后形成向外抛球，由此出现错误动作，只用手臂力量推铅球。造成上述现象的原因之一是学生对球与身体的关系不清... First, hold the shot holding the ball technology. Requirements, the shot should be placed on the shoulder locks the shroud, with the jaw parts against the ball. Students in the preparatory position can basically meet the requirements. However, at the beginning of the slide, the ball left the neck and turned into a ball with his hand. Finally, the ball was thrown outwards, resulting in erroneous action and using only the arm strength to push the shot. One of the reasons for the above phenomenon is that the students have no clear relation with the body and the ball ...