随着科学技术的快速发展 ,各项体育运动技术都在向合理、实用性转变 ,为了更快地提高运动成绩 ,特别是技术性非常强的项目 ,如不改变技术结构 ,不强调技术环节所起的作用 ,运动成绩很难提高 ,本文就掷铅球运动中最后用力左腿的工作谈谈在整个技术中所起的作用。 With the rapid development of science and technology, all sports technologies are changing to reasonable and practical. In order to improve sports performance more quickly, especially in very technical projects, such as not changing the technical structure and not emphasizing the technical aspects The role of sports performance is difficult to improve, this article on the throwing shot last left leg work hard to talk about the role played in the entire technology.