The most important thing to exercise abdominal muscles is to keep exercising. Actually, sit-ups are very good. But pay attention to the following points: when the body is raised to 45 degrees, hold it for 5 seconds and then sit up; When falling, set it to 45 degrees, hold it for 5 seconds, and fall. Slow and steady. And look up when you fall, don't fall completely. Control the number according to your own situation, generally 15 to 20 for each group, and do 4 groups for each exercise. When increasing the amount of exercise in the future, you can add it to 5 groups, and then increase the number of each group.
A good way to lose weight is not to practice equipment, but to do more anaerobic exercise or aerobic exercise, such as running, playing basketball, playing football and so on. It's best to find a project that you are very interested in and exercise it for a long time. But don't overdo it. Warm up before exercise to avoid injury.