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ROTATOR CUFF DISORDERS

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Definition and nomenclature

The rotator cuff is a group of strong, rope-like fibers (tendons) and muscles in the shoulder. Rotator cuff disorders occur when tissues in the shoulder get irritated or damaged.

 

Rotator cuff disorders include:

  • Inflammation of the tendons (tendinitis) or of a bursa (bursitis). In the shoulder, a bursa is a small, fluid-filled sac that serves as a cushion between the tendons and the bones.
  • Impingement (Figure 1), in which a tendon is squeezed and rubs against bone.
  • Calcium buildup in the tendons, which causes a painful condition called calcific tendinitis.
  • Partial or complete tears of the rotator cuff tendons.

damaging of shoulder muscles in Rotator cuff disorders
  Figure 1
 

What is the function of a rotator cuff?
 
 
 
 
 
 
                                     
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