1, the feet are separated into half squats, the upper body leans forward slightly, and the arms are ready at the back of the body.

2. Kick hard and fully straighten the three joints of hip, knee and ankle. At the same time, your arms swing forward quickly and your body jumps forward and upward.

3. Then touch the ground with the whole sole, bend your knees to cushion, and put your arms in a ready posture.