How can sunshine change the weather?

You can improve your vertical jumping ability by improving your leg strength, quick strength and joint strength. The specific means are: Squat jump: 3 groups a day, 20 times in each group, and the thighs are required to squat parallel to the ground for a few seconds, jump quickly and fully stretch. Sit-ups: 3 groups a day, each group 1 minute, which requires a large range. Heel lifting step: 3 groups a day, each group more than 50 times. The front foot is supported on the steps, and the rear foot is suspended. Hold the support and do the upward support. The legs are required to be straight and not bent.