There are many ways to stretch the shoulder muscles, as follows: 1. Scapular stretch: This method is a simple and effective stretching action, especially to stretch the muscles around the shoulder joint. The specific practice is to stand with feet hip-width apart, knees slightly bent, the left hand over the body, elbows slightly bent, and the right hand fixed at the left elbow, the left arm to the body until you feel the shoulder muscles tight, and then switch sides and repeat the same action; 2, upper back stretch: mainly stretch the upper back muscles, the practice is very simple, that is, crossed fingers, palms outward, push the hands to the height of the chest and straighten the arms, lock the elbows, and push the shoulder joints forward; 3, the stretching of the latissimus dorsi: the main direct effect on the latissimus dorsi, the practice is to stand in front of a support that can support the weight, to grasp with both hands, and the body leaned back, bending the knees, feet to the ground force, the arms pulled back; 4, the stretching of the pectoralis major: mainly stretch the muscles of the upper edge of the chest, can relax the muscles, and increase softness. Specific practice is to stand next to a stable upright support, place one hand behind the support, keep the upper arm and shoulder at the same level, and slowly push the body out until the chest muscles have a stretching sensation.