推铅球运动的形成和发展,大致经历了投掷石块、投掷炮弹和推铅球几个阶段。最初推铅球的规则比较简单,仅需要一条直线作为限制线,运动员可以随意采用助跑或者不助跑将球推出。后来对助跑限制了距离,规定在一个方形区域内推铅球。再后来,又进一步规定在直径7英尺(合2.135米)的投掷圈内投掷,并且要在铅球投掷弧的前半圆放置抵趾板。 Shot putting the formation and development of sports, generally experienced throwing stones, throwing shells and shot put several stages. The initial rule of putting shots is relatively simple, only need a straight line as a limit line, the athletes can use the run or do not run the ball launch. Later on the run limit the distance, the provisions of a square shot in the area. Later on, further provisions were made to throw in a throwing circle of 7 feet (2.135 meters) in diameter and to place the apron in the first half of the throwing arc of the shot.