2. Stretch When one foot straddles the front, one foot is fixed, the other foot straddles the outside of the other foot, and then the toes are fixed on the ground, bending down and stretching.
3. Lift one foot to stretch, one foot is fixed on the ground, the toe of the other foot is placed on the table, and force downward to stretch.
4. Stretch in kneeling position, with feet in kneeling position, hands on the ground, toes on the ground and stretching down.
5. Stretch the rotating ankle. One foot is fixed on the ground, the other foot is supported on the lower leg of the fixed foot, and the ankle bends downward to stretch.