2. Bend your legs, lie down sideways, then put your arms flat on the ground, straighten your feet, bend your knees, and lift your legs as close as possible to your waist.
3, cycling, many garden communities have this fitness equipment. Very convenient and effective.
4, twisting the waist, many squares also have this kind of equipment, the above is a moving ring, constantly swinging, can be trained.
5. Use some special fitness equipment, such as the following, whether to exercise or not. Grab your hand, hook your feet there and do bodybuilding training.
6. Sitting and bending can develop upper and lower abdominal muscles. Of course, the waist can also be exercised.