1: the best way to practice abdominal muscles or sit-ups, each time to do 100-200, 20-30 for 1 group, at least 5 groups, the specific depends on the individual situation. You can properly increase the weight, hand holding a dumbbell or discus or something, put behind the head, the effect is better.2: Push-ups can also exercise abdominal muscles. Remember to fitness must not be a one-time to do tired, to do in groups, to have the effect, generally also each time to do 100 or so, at least 5 groups, depending on their own situation.3: hand grasping in the high place, so that the body hangs vertically, waist and abdomen force to lift up, so that the legs and the upper body was 90 degrees, pay attention to the body do not shake, other places do not exert themselves, but also grouped together to do.4: if the abdominal fat is relatively more, to adhere to aerobic exercise, running is very effective, can lose excess fat, so that the muscles are better shown.