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Definition

By Mayo Clinic staff

Your shoulders are your body's most mobile joints. But the ability to move in many directions can leave your shoulders prone to injury.

A dislocated shoulder is an injury in which your upper arm bone pops out of the cup-shaped socket that's part of your shoulder blade. A dislocated shoulder is a more extensive injury than a separated shoulder, which involves damage to ligaments of the joint where the top of your shoulder blade meets the end of your collarbone.

If you suspect a dislocated shoulder, seek prompt medical attention. Most people regain full shoulder function within a few weeks after experiencing a dislocated shoulder. However, once you've had a dislocated shoulder your joint may become unstable and be prone to repeat dislocations.

References
  1. Sherman SC, et al. Shoulder dislocation and reduction. http://www.uptodate.com/home/index.html. Accessed July 8, 2009.
  2. Ronai P. Exercise and shoulder pain. American College of Sports Medicine. http://www.acsm.org/AM/Template.cfm?Section=Current_Comments1&Template=/CM/ContentDisplay.cfm&ContentID=11050. Accessed July 14, 2009.
  3. Uehara DT, et al. Injuries to the shoulder complex and humerus. In: Tintinalli JE, et al. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, N.Y.: McGraw-Hill Medical; 2004. http://www.accessmedicine.com/content.aspx?aID=612479. Accessed July 14, 2009.
  4. Wang RY, et al. Management of the first-time shoulder dislocation in the athlete. In: Wilk KE, et al. The Athlete's Shoulder. 2nd ed. Philadelphia, Pa.: Churchill Livingstone; 2009. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-443-06701-3..50023-2&uniq=149671531&isbn=978-0-443-06701-3&sid=862689477#lpState=open&lpTab=contentsTab&content=4-u1.0-B978-0-443-06701-3..50023-2%3Bfrom%3Dtoc%3Btype%3DbookPage%3Bisbn%3D978-0-443-06701-3. Accessed July 14, 2009.
  5. Dodson CC, et al. Anterior glenohumeral joint dislocations. Orthopedic Clinics of North America. 2008;39:507.
  6. Quillen DM, et al. Acute shoulder injuries. American Family Physician. 2004;70:1947.
  7. Questions and answers about shoulder problems. National Institute of Arthritis and Musculoskeletal and Skin Diseases. http://www.niams.nih.gov/Health_Info/Shoulder_Problems/default.asp. Accessed July 14, 2009.

DS00597

Sept. 1, 2009

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