Stovepipe exercise:

1. Lie flat on the bed or on the floor.

2. Lift your legs, stand in the air and clap your thighs with your hands.

3. Keep your calves relaxed, then lift your waist with your hands and hang your legs.

4. The calf is pedaled back and forth in the air with the foot of a bicycle. At this time, try to pay attention to the strength of the thigh.

5. After finishing, pat the calf and thigh with both hands to relax the leg muscles.