1, can exercise abdominal muscles. The exercise of abdominal muscles can make our posture more perfect. Many people are prone to have fat on their stomachs because of bad work and rest habits, and abdominal muscle exercise can eliminate excess fat on their stomachs and make our posture more perfect. And in the process of exercising abdominal muscles, our back and waist can also be exercised. Holding your chest and abdomen can make people look more confident and have a better posture. 2. Exercise flexibility and endurance. Muscle exercise can make our bodies more flexible and have stronger endurance, especially abdominal muscle exercise. We usually choose actions such as flat support, sit-ups or belly rolling, which can not only exercise our endurance, but also make our bodies more flexible, so as to ensure that we are not injured in other sports and can better complete the actions.