Scapular seam pain may be caused by muscle strain, fasciitis, frozen shoulder, bursitis and so on. 1. Muscle strain: If you do not exercise in a proper way, often do overloaded exercise, or engage in heavy physical labor for a long time, which leads to muscle strain, resulting in scapular suture pain. 2. Fasciitis: when the body is stimulated by cold, trauma, chronic strain and other adverse stimuli, it will cause scapular seam pain, accompanied by numbness, muscle spasm, muscle weakness, movement disorders and so on. 3. Frozen shoulder: the shoulder joint and the surrounding soft tissues have degenerative changes, as well as long-term over-activity or poor posture and other factors, resulting in chronic injury, which leads to scapular suture pain. 4. Bursitis: when the bone structure appears abnormal protrusion, long-term repeated friction and compression, it will lead to scapular suture pain, accompanied by localized lumps, pain, limitation of limb movement and other symptoms. If the symptoms of scapular seam pain, it is recommended that patients go to the hospital in time for examination and targeted treatment.