掷铁饼的完整动作过程(以下均以右手投掷为例),从技术结构上可以分为:握法、预备姿势和预摆、旋转、最后用力和掷出后身体的平衡五个部分。1、非投掷臂在预摆阶段的技术及作用的分析预摆的目的是为了摆脱铁饼的静止状态,增强持饼臂和手对铁饼的肌肉感觉,为顺利进入旋转创造有利的条件。有相当训练水平的运动员,在预摆阶段中,当持饼手摆至右侧后方时,结合下肢及髋关节和躯干的右转,非投掷臂抬起与肩同高,手臂稍弯曲于体前,头部稍向左 Discus throwing the entire course of action (the following are throwing the right hand as an example), from the technical structure can be divided into: grip, preparation and pre-swing, rotation, the last force and the balance of the body after throwing five parts. 1, non-throwing arm in the pre-swing phase of the technology and role analysis Pre-swing is designed to get rid of the static status of the discus, and enhance the holding arm and hand on the discus muscle feel, to create favorable conditions for the smooth entry into the rotation. Athletes with considerable training level, in the pre-swing stage, when holding the cake hands to the right rear, combined with the lower limbs and the right hip joint and trunk turn, non-throwing arm lifted shoulder height, the arm slightly bent body Before the head slightly left