Sit-ups, do it every day, do it more often, and it will be better if you can run (so that your waist will slim down). It is important to persist, not how many movements are pedaling in the air, lifting legs on your back, kicking, sit-ups, side sit-ups and semi-sit-ups. Just do these actions before you rest every day. Without hard and fast rules, your immunity will decline after exercise, so it is recommended not to have too much physical labor after each exercise. Stick to it and the abdominal muscles will come out. Reminder: don't forget to exercise your chest muscles and back muscles while exercising your abdominal muscles, otherwise your body will be deformed. There will be a slight hunchback. Push-ups and pull-ups should also be properly exercised, such as dumbbells. It is better to rely on your perseverance to complete the body refueling O (∩ _ ∩) O. ...