Massage scapula seam thump thump thump causes include physiological rattling, frozen shoulder, fasciitis. 1. Physiological rattling: shoulder joint in normal activities or prolonged ambulation caused by muscle spasms for joint rattling, is a physiological phenomenon, is the scapula and the surrounding bone collision friction caused by the general feeling of no pain and discomfort. 2. Frozen shoulder: most of the thumping and rattling of the shoulder blade is caused by frozen shoulder, and there is also stiffness and pain in the shoulder joint, and the performance of joint function and activity is limited. 3. Fasciitis: shoulder fasciitis is mostly caused by chronic strain or trauma, shoulder blade seam will have thumping sound, and accompanied by muscle pain symptoms. Massage scapula seams thumping ringing there may be other reasons, if the symptoms are not relieved for a long time, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.