对推铅球滑步双支撑阶段的认识

Cognition for Double Feet Uphold Process in the Back Sliding Shot Putting

推铅球的滑步双支撑阶段是完整动作的重点和难点之一,这一阶段起着承上(滑步)启下(最后用力)的作用。通过对背向滑步推铅球滑步双支撑阶段的分析得出,铅球的滑步双支撑阶段是一个衔接连贯的过程,这一阶段的动作节奏过慢或过快都将影响铅球最后用力动作,影响滑步阶段所获得的初速度。正确的动作节奏应是在保证形成最佳用力的条件下越快越好。

The phase of double feet uphold process in the back sliding shot putting is an important and difficulty progress in full action.This process connects the functions from beginning and the bottom.From the progress of double feet uphold in the back sliding shot putting,we know the action rhythm in this stage.Too slow or too quick will break up last hurl.The right velocity should be the quicker,the better in the right last hurl with a good velocity.