1, one-legged jump means landing on one leg and jumping long. When you jump, the landing leg is lifted. Tired, switch legs and jump.

2. Stand up and do a push-up on the ground, then jump up. Put your hands up.

3. Hold the crib in place and squat down, hold the crib with both hands, and then rise and fall.

4. Raise your legs.

5. Jump back game

6, squat, forefoot landing. Try not to touch the ground with your heel. It's good to practice explosive power.

7. Jump and squat with your forefoot on the ground. Try not to touch the ground with your heel. Jump forward

8. Jump with your legs in place and your knees in place

9. Step jump example: One leg is on the step and the other leg is on the ground. The legs on the ground exert force, the legs on the steps jump up and the center of gravity is up.