Rotator Cuff Tendonitis
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The shoulder joint is a ball and socket type joint where the top part of the arm bone forms a joint with the shoulder blade. The rotator cuff holds the head of the humerus into the scapula and controls movement of the shoulder joint.
The tendons of the rotator cuff pass underneath a bony area on their way to attaching the top part of the arm bone. When these tendons become inflamed, they can become more frayed over this area during shoulder movements.
Sometimes, a bone spur may narrow the space even more. This problem is called rotator cuff tendonitis, or impingement syndrome, and may be due to:
- Working with the arm overhead for many hours or days (such as in painting and carpentry)
- Playing sports that require the arm to be moved over the head repeatedly as in tennis, baseball (particularly pitching), swimming and lifting weights over the head
- Poor control or coordination of your shoulder and shoulder blade muscles
- Keeping the arm in the same position for long periods of time, such as doing computer work or hairstyling
- The usual fraying of the tendons that occurs with age can lead to rotator cuff tendonitis.
At University of Maryland Orthopaedics, our shoulder specialists usually treat rotator cuff tendonitis with conservative non-operative treatments. To make an appointment, call 410-448-6400 or request an appointment online.
Rotator Cuff Tendonitis Symptoms
Early on, pain occurs with overhead activities and lifting your arm to the side. Pain is more likely in the front of the shoulder and may radiate to the side of the arm. However, this pain always stops before the elbow. If the pain travels beyond the arm to the elbow and hand, this may indicate a pinched nerve.
There may also be pain with lowering the shoulder from a raised position. At first, this pain may be mild and occur only with certain movements of the arm. Over time, pain may be present at rest. Night pain is very common, especially when lying on the affected shoulder.
You may have weakness and loss of motion when raising the arm above your head. Your shoulder can feel stiff with lifting or movement. It may become more difficult to place the arm behind your back.
Rotator Cuff Tendonitis Treatment
Treatment involves resting the shoulder and avoiding activities that cause pain. It may involve:
- Ice packs applied 20 minutes at a time, 3-4 times a day to the shoulder
- Taking drugs like ibuprofen and naproxen to help reduce swelling and pain
- Avoiding or reducing activities that cause or worsen your symptoms
You should start physical therapy to learn exercises to stretch and strengthen the muscles of your rotator cuff. If the pain persists, or if therapy is not possible because of severe pain, a steroid injection may reduce pain and swelling in the injured tendons to allow effective therapy.