2, elastic belt jump twist, elastic belt jump twist action can also train the calf, elastic belt tied above the ankle, legs apart, using elastic belt's resistance to jump twist the body, this action needs to straighten the back, hands around the waist, can increase the strength of the calf, but also exercise balance.
3, prone elastic belt leg bending, prone elastic belt leg bending action can enhance the strength of the calf and leg bending, but also exercise the balance of the leg. When doing this, you need to lie on the ground, tie one side of elastic belt to your ankle, and the other side to a solid object, and stretch your calf upward to drive elastic belt to move.