Multiple, including: Common causes like rotator cuff diseases, like tendonitis ; tear; bursitis, biceps tendonitis, arthritis; spine (neck) issues like pinched nerve, disc lesions. If there is any history of an injury, then fractures, bruise, pulled muscle(s), tendon injury etc, could be responsible. Get yourself seen by your pcp/orthopod to get diagnosed. Good luck.
Answered 11/23/2013
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A doctor has provided 1 answer
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