Concept ■ Periarthritis of the shoulder is marked by muscular tension and heaviness of the neck,or accompanied by aching and tender pain in different degrees.The pain can radiate to the upper back and then limitation of the neck occurs.It often occurs in people who are over middle aged,women more than men,and is marked by chronic and repeated attacks.The causative factors are not clearly known up to now,but it is related to such factors as exogenous cold in the back,mental stimulation,fatigue of both the body and mind,prolonged visual fatigue ,irregular menstruation inConcept ◼ Periarthritis of the shoulder is marked by muscular tension and heaviness of the neck,or accompanied by aching and tender pain in different degrees.The pain can radiate to the upper back and then limitation of the neck occurs.It often occurs in people who are over middle aged,women more than men,and is marked by chronic and repeated attacks.The causative factors are not clearly known up to now,but it is related to such factors as exogenous cold in the back,mental stimulation,fatigue of both the body and mind,prolonged visual fatigue ,irregular menstruation in women,hypertension,chronic stomach diseases