After Baidu input sports, relaxing sports is much better.

Mainly to play muscles. Hit the place where you think you may grow meat, not too light, and of course not too heavy.

Leg stretching: stand up straight first, with your feet together and your legs together, and your upper body naturally droops. Take the slight pain in the leg muscles as the degree. Remember not to droop too hard to prevent muscle strain. Sticking to it for about a minute can relieve muscle fatigue, and that's all for improving your flexibility.