Hello Jackie! My name is Dr. Aida and I am glad to attend you on Healthcaremagic! Your symptoms could be related to a muscle pain (probably a stretched muscle) or a pinched nerve (a cervical disc herniation can not be excluded either). Have you performed any straining physical activity lately? Coming to this point, I would recommend consulting with your GP for a physical exam and some tests: - a cervical column X ray study - a nerve conduction study - a shoulder X ray study for possible bursitis or joint inflammation - complete blood count, PCR, sedimentation rate for inflammation. Hope you will find this answer helpful! Best wishes!