1, lunge leg press: First, take a big step forward with your left foot. At this time, we should pay attention to make the whole foot touch the ground, the thigh is parallel to the ground, the right leg is straight, the forefoot touches the ground, the upper body is upright, the hands are crossed behind the head, and the head is raised and the chest is lifted.

2, leg stretching: First, take a big step forward with your left foot, then let your hands stretch the muscles of your right leg, and then do the same on the other side. At the same time, pay attention to keep the heel as straight as possible, and repeat 8- 10 times;

3, knee joint movement: first, after the two feet are close together, the two knee joints are slightly curved, and then let the fingers naturally close together on the knees. Do squat standing 10 times, and then move the knee joint from left to right, from right to left, or from inside to outside and from outside to inside;

4. Ankle exercise: First, put your hands on your chest naturally, put your left foot on the ground naturally to relax your ankle, and circle clockwise and counterclockwise for about eight times. Exercise according to this time, and then suggest changing your other foot for activities. Advise patients to exercise as much as possible;

5. Jump in place: First, the left foot is shoulder-width to the left, the knees are slightly flexed, and the hands are naturally opened at the sides of the body. Then, the arms and legs are forcibly opened, and they are as straight as possible in a big S shape. It is recommended to repeat the action for 5 times.