A fracture of the knee may mean that you have broken one of the following bones:
Knee fractures are most commonly caused by abnormal force, such as a falling on the knee, a severe twisting motion, severe force that bends the knee, or when the knee hits an automobile dashboard. Indirect injury, such as a forceful contraction of the thigh muscle, is less common.
It is much more common to dislocate the kneecap (patella) than the knee joint. The kneecap is more likely to dislocate when the:
It takes more force to dislocate a kneecap the first time. Once you have dislocated your kneecap, it will be more easily dislocated by another injury or a repeat of the forces that dislocated it the first time.
Dislocation of the knee joint is rare and requires great force. A dislocated knee, even if it goes back into place by itself, is a serious injury that requires emergency treatment.
Immediate medical treatment may involve:
A fracture or dislocation of the knee requires medical evaluation.
Last Revised: August 5, 2011
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
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