Hint 1
1, lie flat on the ground, put your hands on the ground, straighten your feet and hold your lower abdomen;
2. Straighten the toe of the left foot, relax the right foot, keep the action 10 second, and repeat the action 10 times;
3. Straighten the toes of the right foot and relax the left foot, keep the action 10 second, and repeat the action 10 times.
Tip 2
1, the body stands, the left foot is straight, the right ankle is next to the left foot, and the action is kept 15 seconds;
2. Go around * * *, change positions, and repeat the action on each side 10 times.
Tip 3
1, sit up straight, put the book between your feet and clamp it hard;
2. Lift your feet slowly, so that the calf and thigh are in a straight line, keep the action 15 seconds, and repeat the action 10 times;
3. With the practice of gradually reducing the thickness of the book, you can narrow the gap between your legs.