The causes of adhesion of shoulder blade are as follows: 1. Frozen shoulder: Frozen shoulder occurs in people who are above and below 50 years old, so it is also called fifty shoulder and frozen shoulder. When frozen shoulder develops to a later stage, there will be contracture of the shoulder joint capsule and adhesion of the soft tissues around the shoulder, and at this time, there will be limitation of the shoulder joint activities, including active and passive activities are limited. In the late stage of the development of frozen shoulder, generally through the surgical release method, to improve the activities of the shoulder joint and adhesion of the scapula. 2, scapular fracture: such as scapular body fracture, scapular neck fracture, in the healing process of the fracture, the muscles and soft tissues around the fracture will form a scar, so there will be scapular adhesion, scapular is relatively fixed in relation to the chest wall, and it is difficult to move the scapula.