(1.Department of Physical Education,Central South University,Changsha 410083,China;2.Postgraduate School,Beijing Sport University,Beijing 100084,China) Abstract: The authors studied the swinging leg of 5 high performance players by using biomechanical means, and revealed the following findings: the swinging process can be divided into 5 stages, namely, forceful stretching stage, active backward swinging stage, forward thigh swinging stage, forward leg swinging stage and ball kicking stage according to the method of combining the swinging sequence of the swinging leg with the swinging speed, in which the forceful stretching stage is one of important stages not negligible, and at the active backward swinging stage the swinging leg should swing backward as forceful as possible under the precondition that it does not affect the for-ward swinging speed; at the forward thigh swinging stage the swinging leg should brake actively when the thigh swings to a certain amplitude, and the swinging amplitude should not be too big; at the forward leg swinging stage the swinging leg should apply a force actively while the knee joint brakes actively. Key words: kinematics;ball kicking leg swinging stage;time phase divided characteristics;soccer |