• causes
  • When the rotator cuff is injured or damaged, it can lead to inflammation of the bursa, called bursitis, which causes pain and loss of motion. (assh.org)
  • humerus
  • The cuff, a group of four relatively small (but important) shoulder muscles which control inward and outward rotation of the humerus, is particularly vulnerable to the kind of trauma gymnastics, weighlifting and powerlifting inflict. (wiktionary.org)
  • The cuff is responsible for stabilizing the glenohumeral joint , abducting, externally rotating, and internally rotating the humerus . (wikipedia.org)
  • The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm. (aaos.org)