Frozen shoulder causes stiffness and pain.
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The most commonly misdiagnosed problem is a frozen shoulder, also called adhesive capsulitis. Often diagnosed as shoulder bursitis, a frozen shoulder can either develop spontaneously, or as the result of a shoulder injury or shoulder surgery.
Have you had a problem finding the cause of shoulder pain? You can share your stories of trying to find the cause of shoulder pain under the 'comments' section below.