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在推铅球教学中,往往注重强调的是:右腿的快速蹬地、转体、送髋、挺胸、有力的挥臂、拨球,以及左腿的支撑,却忽略了左臂的技术和作用(以右手推铅球为例),从而造成一些错误动作的出现和成绩的不理想。左臂的合理技术,不仅有助于最后用力加速能力的提高,而且也对出手的角度及身体的平衡产生一定的影响。一、有利于维持身体的平衡采用低姿势做背向滑步推铅球时,左臂要稍向内扣,同时左肘适当向上抬起,这样有利于维持身体在静止、滑步过程中和滑步结束时
In the teaching of shot put, it is often emphasized that the right leg is rapidly stepping on, swiveling, giving a hip, holding a chest, powerful swing arms, dialing balls, and the support of the left leg while neglecting the technology of the left arm Role (with the right hand to push the shot as an example), resulting in some erroneous movements and the performance of the unsatisfactory. The right arm of the reasonable technology, not only contribute to the last force to speed up the ability to improve, but also on the shot point of view and the balance of the body have a certain impact. First, it is conducive to maintaining the balance of the body With a low posture to do back-slide shot, the left arm to buckle slightly, while the left elbow properly raised up, which helps maintain the body at rest, sliding and sliding process The end of the step