Subpubic movement: the upper body is fixed, and the feet are raised to flex and stretch the legs and raise the head, with the aim of tightening and subtracting the whole lower abdominal circumference. Extraabdominal oblique muscle movement: after completing the upper and lower abdominal movements, do various waist rotation movements. As an auxiliary exercise, this exercise makes the weight loss effect of upper and lower abdomen exercise more obvious.