Biomechanical Analysis Of The Technical Movement Of High Whip Leg After Female Sanda

in today’s rapid development of modern sports, to the requirement of competitive sports is also increasingly update, In order to make the competitive sports competitions have a stronger appreciation and antagonism,This also makes the sanda competition rules change, rule changes for the action of Sanda also in the continuous improvement and perfect. According to the latest Sanda rules system and for the integrity of the Sanda movement to combat the effect have higher requirements, making in many women Sanda games because of high whip leg kicking action of the degree is not high and failed to score completion. So, how to ensure women Sanda games after high whip leg to ensure integrity at the same time, to achieve the greatest kick shot effect become the requirements of Sanda athletes for the existing rules.In this paper, by using the method of literature, experiment, mathematical,expert interview methodstatistics women’s high whip leg joint angle, joint angular velocity, displacement of center of gravity, leg muscle EMG data acquisition and analysis, through biomechanical principle and experimental methods. On 10 Jilin Province Outstanding Female Sanda Athletes after high whip leg the experiment. Through high speed camera with muscle EMG responses will be women Sanda after high whip leg movements are divided to three stages, namely the stage knee and hip rotation stage, kicking stage and obtained the following results:1, through the women’s high whip leg hip Hip, hip and kick foot angle correlation analysis, the knee angle of the change is the height of the whip leg technical action decisive factor, changes in the body’s angle of inclination to determine the stability of the body.2, through to the female after the high whip leg each stage time change, obtains the nerve reaction speed to decide the entire movement time is long.3, through to the female after high whip leg of the joint line speed peak change, the hip, knee, ankle joint speed limit of the peak is proportional to the increase.4, by women Sanda after high whip leg displacement of center of gravity the situation changes, it is concluded that provided the knee stage, keep the center of gravity of the body good, until the completion of the kicking stage, which requires the body with good coordination and stability, avoid greatly about displacement, in order to obtain greater kicking effect.5 through 12 muscles for EMG with research found that in the Female Sanda high whip leg technology action, right lateral sural head muscle EMG with is the highest, and not right femoral rectus EMG contribution is the highest, but other muscle EMG contribution is roughly the same. Therefore in women Sanda after high whip leg of the daily training should improve the right lateral sural quadriceps endurance training and overall muscle coordination training.6,According to the EMG data, the order of each muscle As well as the time interval of muscle discharge, the length of the muscle’s synchronous discharge.Action start Began to move, the right dorsal flexion, then focus from between his legs and transferred to the supporting leg left, anterolateral muscle contraction, right plantar flexion, right lateral sural muscle of head began to shrink, the extensor of knee and hip joints on the side of the body to hit the target, right leg and hip extensor kick goal. Right rectus femoris muscle and right thigh muscle, the right vastus lateralis have longer muscle discharge synchronization. Therefore, in teaching and training to strengthen various stages of convergence, so that each muscle group coordination force, so as to better accomplish high whip leg technology action.