1, first of all, the first step is to pay attention to the bottom and find the feeling of collapse.

2. Secondly, instantly push forward to clamp the hips and tighten the abdomen.

3. Then push your hips and abdomen forward, lean back your upper body, and finally bring your upper body back.

Finally, when doing each movement, first master the essentials of each movement, then slowly speed up and finally make the movement coherent.