Symptoms:

• Pain associated with arm movement
• Pain in the shoulder at night, especially when lying on the affected shoulder
• Weakness with raising the arm above the head, or pain with overhead activities (brushing hair, reaching for objects on shelves, etc.)

Signs and tests:

A physical examination may reveal tenderness over the shoulder. Pain may occur when the shoulder is raised overhead. There is usually weakness of the shoulder when it is placed in certain positions.

X-rays may show a bone spur, while MRI may show inflammation in the rotator cuff. An MRI can show a tear in the rotator cuff.