2. Put your head on the ground and straighten your left leg backwards to bring your legs together;
3. Move slowly with your toes, first move 90 degrees to the left, and when you reach the position, lift your waist in the same direction and then put it down;
4. Then move 90 degrees to the right, and repeat the previous actions after reaching the position. This set of movements should be done slowly for 3 times;