1, girls can develop abdominal muscles in about two or three months. Lie flat on the bed with your legs together, drive your legs up with abdominal strength and keep them perpendicular to the bed surface, and then control your legs to fall slowly with abdominal strength. Don't use inertia and gravity in the whole action. Sit-ups, sit-ups can exercise rectus abdominis and transverse abdominis. When you get up, you can put your elbow close to the knee supported by the other side, that is, lie on your back, which makes it easier to practice the vest line. Bend your knees, face the ground, put your hands on the ground, straighten your legs, put your forefoot on the ground, bend your knees forward with one leg, try to make the front side of your thigh close to your abdomen, then restore your original posture, and then change your other leg to do the same action. The above actions can be carried out in groups, and the number of actions in each group can be increased from less, and the number of actions can be arranged according to your own situation.

2. Diet. Eat more high-protein foods, such as beef, whole-wheat rice or whole-wheat bread instead. Sugar will make you accumulate too much fat, so quit high-sugar drinks. Absorb more fiber and protein, eat more vegetables, eliminate toxins, and properly absorb protein and red meat, which will help muscle growth. Quit fried and greasy food and eat more nuts.