This is the simplest: 1. Riding a bike in bed can thin the muscles above the joints.

2. Open your legs, press your body to one side, and thin the meat inside your thighs.

3. The leapfrog on the physical education class can thin the muscles of the upper thigh and match with a plastic fiber fruit, which is made of pure natural herbs and does no harm to the body. It hasn't rebounded yet. There is no need to diet and strengthen exercise to control the growth of fat in the diet.