Its weight loss effect is much better than other sports, especially waist and abdomen sports. "Ada said," to do this action on the steel pipe, the strength of the waist and abdomen must be enough. In this way, the lines of the waist naturally come out. Many students have practiced for two weeks, and their waists have lost a lot of fat and their stomachs have flattened. Of course, if you don't practice too much, there will be no muscles in your lower abdomen, so girls can rest assured. "