1, shoulder external rotation flexed elbow 90 degrees, end fist against the body, fist heart up; then elbow tip does not move, the small arm outward swing, the shoulder joint is external rotation. 2.Back support squat stand with your back against the table, hands behind the edge of the table; repeatedly do moderate squatting action to strengthen the shoulder joint rear extension activities. 3.Hold your head with both hands, hold the back of the head with both elbows pulled apart, parallel to the body; two elbows together again, clip the head, and so on. 4.Stand with your arms straight and hang down naturally; lift your arms upward with force, palms downward, stop for 10 seconds after reaching the maximum, then go back to the original place and repeat. 5, expand the chest and shoulders two arms folded, placed in front of the chest, the two elbows and shoulders flat, the back of the hand on the top, palm facing down; then the arms unfolded, separate the shoulders; unfolded when inhaling, recovery when exhaling. 6, back stretch touch spine Natural standing, arms backward, touch the spine with the middle finger; fingers from the bottom gradually upward, reaching the maximum and then stay still, two minutes later and then slowly down. Repeatedly, gradually increase the height. 7, finger climbing wall standing facing the wall, lift the arm, with fingers along the wall slowly crawl upward, so that the upper limbs as high as possible, to reach the maximum; then slowly back down to the original place, repeatedly, gradually increase the height. 8, rotate the shoulders to draw circles Standing, the upper limbs naturally down, arms straight; then the arms from the front upward backward drawing circles, the amplitude from small to large, repeated several times.