The pectoral muscles in the suture exercise methods are: first, upward-slanting flying bird. Supine position, lying on a bench, hands holding dumbbells, feet on the ground, inhale the left shoulder off the bench, exhale when put down, and then change the right side, so repeatedly, a group of 30 times, three groups per day. Second, flat flying bird. Supine position, lying flat on the bench, hands holding dumbbells, inhalation hands will be dumbbells lift, while the back of the shoulder lift off the bench, exhale relaxed, return to the original body position. And so on, a group of 30 times, three groups per day.