Primarily rotator cuff pain-follows behind back and neck pain as the most frequent cause of dysfunction in the working population.
Usually related to overhead movement.
Associated with night pain.
May not necessarily be associated with weakness.
Related to bursitis, rotator cuff tear, acromion spurs, secondary impingement syndrome, post-traumatic scar formation, shoulder dislocation and os acromiale.
Painful shoulder impingement may occur up to 24% of patients with cervical radiculopathy.
One in 10 patients with cervical radiculopathy have comorbid shoulder pathology.
Injections into the cervical facet joints may manifest as shoulder pain