2. Stand with your feet in front of the back of the chair (the heel is on tiptoe, and the toes turn about 45 degrees), with your legs straight and your hands gently placed on the back of the chair. Your spine is high and your abdominal muscles are tight. Then bend your knees, straighten your legs, and then put down your heels. * * * Three groups, 20 times each.
3. Stand with your feet together, put your hands on the back of the chair, heel off the ground, knees bent, hips upturned, squeeze the inner thigh (knees should keep in touch), squat first and then move up and down (knees should keep bent), * * * three groups, 20 times in each group.
4. Stand on your right foot and put your right hand behind the chair. Hold your chest out, your left leg, hips and toes are extended backwards, your left arm is extended forward, and your palms are down. Then raise your left leg and bend it into a posture, and raise your left arm over your head (elbow slightly bent, arm in a semicircle). Alternate left and right, * * * three groups, 20 times in each group.
Put your right hand on the back of the chair. Tighten abdominal muscles, raise your left leg to the front of your body, keep your back straight, and raise your left arm. Your left leg stretches slowly to one side and your arm stretches to one side. Elbows are slightly bent and arms are extended forward. The left leg circles behind, and the arm leans forward, so that the trunk is parallel to the floor. Slowly lift your back, keep your spine straight, and then start your legs and arms. Alternate left and right, * * * three groups, 20 times in each group.
6. Continue to turn left, then cross at the right front, put your right hand on the back of the chair, wrap your left arm around the outside, lift your right heel and bend your right knee. Then straighten your right leg, bend your left knee, gently touch the outside of your right knee with your toes, lift your left arm to your head, and then return your left foot and left arm to the starting point. Alternate left and right, * * * three groups, 20 times in each group.