Actually, I used to have a lot of meat on me. . . . I suggest that you must train systematically, eat regularly and don't overeat. . About what sports to do. On the first day, the flat support starts for 2 minutes, so you can warm up first, and then do several groups of push-ups and sit-ups, one group is about 40, and five groups a day. . . This should have an effect in a month. Since the beginning of school, I have lost weight 10 kg, and my stomach has lost some weight.