2. Upper limb relaxation: the muscles of the hand and forearm are relaxed, the palms are outward, and the fingers are pulled back with the other hand. Keep your knees straight at the back of your thighs; Holding the soles of your feet with both hands and leaning forward hard can increase the stretching strength of the muscles behind your thighs.
3. Back stretching: support the ground with both hands, with the lower body as close to the ground as possible and the upper body as far as possible.
4. arm extension: the right arm is straight and close to the left shoulder, the left arm is bent in front of the right arm, and the two arms form a right angle of about 90 degrees.
5. Leg stretching: Press your arms against the wall respectively, with your legs in front, your front legs bent, your rear legs straight, and your heels on the ground, feeling the calf muscles stretched.
6. Ligament stretching: straighten your knees, bend over, touch your feet as much as possible, or stick your body on your legs.
7. Butterfly stretch: Kneel down, put your feet in front, try to get your feet close to the groin, and try to get your feet close to the ground.
8. Hip-sitting groin stretching: the legs inside the thigh are separated to the maximum extent, and the forward tilting can pull the muscles inside the thigh; Stretch your arms as far as possible, and you can also pull the muscles in your back. Do each action 3-5 times, each time 15 seconds to 30 seconds, and cycle. At the same time, you can also cooperate with massage, hot bath and other relaxation methods to relieve muscle fatigue.