You can often meet patients who have shoulder pain, and the patient’s knowledge of shoulder pain is still limited to frozen shoulder or something like that. Is shoulder pain really just frozen shoulder? A. Shoulder pain is frozen shoulder, but not necessarily! Some people think that shoulder pain is caused by frozen shoulder, but there are many reasons for shoulder pain, and frozen shoulder is just one of the more common ones. There are many causes of shoulder pain, usually diseases of the back of the shoulder itself, but of course, diseases of the cervical spine, heart and gallbladder can also cause shoulder pain. For example, fasciitis, rotator cuff injury, impingement syndrome, shoulder joint instability, cervical spondylosis, cholecystitis, coronary heart disease, tumor, etc. can all cause shoulder pain. What is frozen shoulder? Frozen shoulder is short for periarthritis of the shoulder joint. The shoulder is a structure that can move and is composed of the humerus, scapula, clavicle, sternum and thoracic cavity interconnected. The structure contains four joints: the acromioclavicular joint, the sternoclavicular joint, the glenohumeral joint and the scapulothoracic joint. Chronic injury or aging of the shoulder joint and the tissues surrounding the joint can cause a chronic inflammatory response in the local muscles, tendons, joint capsule and other soft tissues, which is known as frozen shoulder. Third, how to determine if shoulder pain is frozen shoulder? Frozen shoulder is actually very common in the population, with a prevalence rate of 2-5%. It is common in people aged 50-60, but rarely occurs before the age of 40, and is better in women than in men. To determine if it is frozen shoulder, you should naturally lower both upper limbs, bend the elbow joint to 90°, and rotate both hands outward at the same time with the elbow joint as the axis. 4. Who is prone to frozen shoulder? 1. Around 50 years old, the soft tissues of the body degenerate with aging, and the blood supply to the shoulder tendons becomes poor, coupled with the long time friction and squeezing of the shoulder tissues, it is easy to develop chronic strain and inflammation. 2. 3. People who are carpenters, lift heavy objects, etc., have chronic injury to shoulder muscles and ligaments due to long-term shoulder compression; 4. White-collar workers who operate computers and write in a desk, etc., keep shoulder muscles and ligaments in a state of tension for a long time, which may also lead to frozen shoulder; 5. atrophy and adhesions. V. Shoulder pain, when do you need to see a doctor? 1. Swelling or bruising around the shoulder joint or upper arm; 2. Infection, such as fever, redness, swelling, local skin heat, and any other abnormalities; 3. Severely limited arm movement, unable to lift or carry things; 4. Pain in the joint when resting, and not getting better for a few days. VI. How to prevent frozen shoulder 1. Avoid shoulder trauma; 2. Avoid frequent cold; 3. You should pay attention to adjust the correct posture in your daily routine; 4. Control blood sugar and blood lipid level; 5. Develop the habit of activity: after 40-45 minutes of work, pay attention to proper activity of shoulder joint.