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Causes

By Mayo Clinic staff

In adults, the most common causes of a dislocated elbow include:

  • Falls. Falling onto an outstretched hand can pop the upper arm bone out of alignment within the elbow joint.
  • Motor vehicle accidents. The same type of impact can occur when passengers in motor vehicle accidents reach forward to brace themselves before a collision.

In young children, the injury often occurs when an extra pulling motion is applied to an outstretched arm. Examples include:

  • Improper lifting. Trying to lift or swing a young child by the arms can cause the elbow to dislocate.
  • Unexpected drops. Having the child suddenly step off a curb or stairstep as you're holding his or her hand can pull the elbow out of alignment.
References
  1. Khan SO, et al. Elbow dislocations in the adult athlete and pediatric patient. In: DeLee JC, et al. DeLee and Drez's Orthopaedic Sports Medicine. 3rd ed. Philadelphia, Pa.: Saunders Elsevier; 2009. http://www.mdconsult.com/das/book/body/172412241-3/919462328/2079/36.html#4-u1.0-B978-1-4160-3143-7..00019-1--s1270_2729. Accessed Nov. 19, 2009.
  2. Elbow dislocations and fracture-dislocations. American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=a00029. Accessed Nov. 19, 2009.
  3. Geiderman JM, et al. Elbow dislocations. In. Marx JA, et al. Rosen's Emergency Medicine. 7th ed. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-323-05472-0..00049-9--s0350&displayedEid=4-u1.0-B978-0-323-05472-0..00049-9--s0355&uniq=172423062&isbn=978-0-323-05472-0&sid=919484592. Accessed Nov. 19, 2009.
  4. Kuhn MA, et al. Acute elbow dislocations. Orthopedic Clinics of North America. 2008;39:155.
  5. Neurological diagnostic tests and procedures. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/misc/diagnostic_tests.htm. Accessed Nov. 24, 2009.
DS01165 Feb. 20, 2010

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