Possible causes of scapular crevice pain include cold and dampness, poor posture, back fasciitis, etc. 1. Cold and dampness: It may be due to poor blood circulation in the muscles of the back after exposure to cold and dampness, which may cause local muscle spasm and lead to scapular suture pain. 2. Poor posture: In daily life and work, sitting in the wrong posture, sitting and standing for a long time may also cause scapular gap pain. 3. Dorsal fasciitis: Dorsal fasciitis is the aseptic inflammation of dorsal fascia caused by prolonged overwork, pulling and stimulation, etc., which may also cause the symptom. Shoulder blade seam pain may also have other reasons, it is recommended to go to the regular hospital in a timely manner to improve the relevant examination, clear the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.