As the arms are raised from the sides and stretched out as when forming a "T", pain is felt at the onset of the horizontal position. What could be the cause of this pain? The patient claims it was first felt after carrying a heavy load. It does not hurt at all, only when the arms are raised to the horizontal position as mentioned above. Is the pain related to a slight dislocation of the shoulder, tendon or ligament problems, or something else?
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