The most common cause of a separated shoulder is a blow to the point of your shoulder or a fall directly on your shoulder. The injury may stretch or tear the ligaments that hold your collarbone to your shoulder blade.
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- Knoop KJ, et al. The Atlas of Emergency Medicine. 3rd ed. New York, N.Y.: The McGraw-Hill Companies; 2010. http://www.accessmedicine.com/content.aspx?aID=6002780. Accessed June 14, 2013.
- Shoulder separation. American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=A00033. Accessed June 14, 2013.
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- Koehler SM. Acromioclavicular joint injuries. http://www.uptodate.com/home. Accessed June 17, 2013.