Abdominal waist is the focus of bodybuilding. The abdomen is in the center of the body, which is particularly obvious. From the point of view of human bodybuilding, a truly bodybuilding abdomen should consist of a slender and powerful waist and abdominal muscles with obvious lines. Therefore, please don't neglect abdominal bodybuilding.

First, sideways bending action: upright. Legs apart, arms raised horizontally, upper body bent forward, fingers of left hand touching right foot, right arm naturally raised. Don't bend your legs and arms, inhale, then recover and exhale. In the other direction, repeat. Do it eight times in a row

Second, leg flexion: supine position. Put your arms flat on the ground, bend your knees and lift them at the same time after straightening your legs, and inhale to make your thighs close to your abdomen; Then exhale and slowly restore. Repeat 8 times.

Third, lift the legs and abdomen: mainly to develop the lower abdominal muscles. Lie flat on your upper body, straighten your legs as high as possible, and then slowly put them down. After this action is done evenly, bend your knees and continue to do the same action. Repeat 8 times.

Fourth, sitting and bending: mainly to develop upper and lower abdominal muscles. Straighten your knees, lean back and forth, keep your body balanced, and then bend your knees and abdomen to make your abdominal muscles flex extremely. In practice, feet should never touch the ground.

5. "Cycling" exercise: supine position. Take turns to bend and stretch your legs, imitating the action of pedaling a bicycle, fast and flexible, and the range of flexion and extension is as large as possible. For 20 years? 30 seconds.