Frozen shoulder where the back of the arm can’t reach the back is often the result of chronic inflammation of the soft tissues around the shoulder, causing adhesions and stiffness of the shoulder joint, which results in limited shoulder joint movement. Frozen shoulder is the shoulder joint capsule and the surrounding ligaments, tendons and bursa and other soft tissues, under the influence of degeneration, strain and other factors, chronic aseptic inflammation, resulting in adhesion and stiffness of the periarticular tissues, the soft tissue elasticity is reduced, which causes the shoulder joint external rotation, abduction, and internal rotation, extension, and other joint activities are affected by the phenomenon of significant impact. Frozen shoulder patients should avoid excessive use of the shoulder, can be combined with hot compresses, massage, massage and other therapeutic treatments; you can also carry out functional exercises for the shoulder joint, which can effectively improve the above symptoms; if the symptoms are serious, you should go to the hospital for further diagnosis and treatment in a timely manner.