1. Stand on your feet, keep your upper body straight, and then bend your knees. Remember that only your knees are bent. Stretch the calf like this.
2. Stand with your feet straight, then stand on tiptoe, then put it down, then stand on tiptoe, and then put it down. Repeat 10 minute.
3. Kneel the same way, bend over and get up again, bend over and get up again, and repeat 10 minutes.
4. Lie on the bed, then lift your legs perpendicular to your body, then hook your toes inward and hook them repeatedly for a few minutes.
5. Lie on your side in bed, then lift your legs and kick. This can not only thin legs, but also thin thighs, lift hips and bend over.