The most probable reason for pain towards left scapular region is due to muscle spasm.. It may be associated with radicular pain starting from lower neck region.. Do you also have any pain towards elbow and hand.. Do you have any tingling numbness in left hand.
Next Steps
You can start with hot fomentation, take analgesic with muscle relaxant tablet, apply analgesic ointment over the site of pain 3-4 times daily. You can also start with physiotherapy in the form of Short wave diathermy, local US
Health Tips
Avoid heavy work, avoid jerky movements of neck, avoid load over left shoulder..