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原地双手投掷实心球是一项技术性较强的体育投掷项目。投掷实心球既需要力量,也需要技术,这对于一些体质比较弱,协调性、手臂力量,腰腹肌力量差的学生是比较头疼的项目,笔者经过这几年的实践,总结出了一套办法,通过四个阶段的练习对学生原地投掷实心球成绩的提高有着显著的效果。一、了解学生基础状况测试学生6种姿势下的投球成绩,并分别记录。1.正常侧投掷实心球,了解学生原始动作和成绩;2.躺着投实心球,了解学生上肢力量;3.坐着投
Solid hands throwing solid ball in situ is a highly technical sports throwing project. Throw solid ball both need strength, but also the need for technology, which for some weak constitution, coordination, arm strength, poor strength of the abdomen muscle is a headache project, the author after several years of practice, summed up a set Approach, through the four stages of practice on the students throw solid ball in place to improve the results have a significant effect. First, understand the basic situation of students Test the students under six kinds of posture pitching results, and were recorded. 1 normal side throw solid ball, to understand the students original movements and grades; 2 lay solid cast ball to understand the students upper limb strength; 3 sitting