Tighten your abdominal muscles, slowly lower your legs, keep your back straight, gently kick your legs alternately up and down, and lift your head and shoulders slightly. The above exercise lasted for 5 minutes, and they were 1 group and 1-2 group respectively.
6. Lift your chin and lie on your back. After putting your head in your hands, your brain is close to the ground, your knees are slightly bent, and your feet are on the ground.
Tighten the abdominal muscles, chin against the chest, then lift, then against the chest, then lift. 1 group is repeated for 20 times, making 1-2 groups.
7. Move your chin sideways on your back, put your hands on your head, lift your shoulders slightly, bend your knees with your feet together, and twist to the right.
Hold your jaw against your chest, tighten your abdominal muscles, then lift it, reach your chest, lift it again, twist your body to the left, and repeat the above actions. 1 group and 1-2 group do it 20 times each.
8 Lift your legs and chin on your back, put your legs together, point your toes at the roof, and lift your head slightly.
Lift your jaw when lifting your leg, tighten your abdominal muscles, and press your jaw against your chest. When the head recovers, lift it and press it to the chest. The above actions 1 group are repeated 20 times, 1-2 times.