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dislocation
(dis″lo-ka´shәn)
displacement of a bone from a joint. The most common ones involve a finger, thumb, shoulder, or hip; less common are those of the mandible, elbow, or knee. Symptoms
include loss of motion, temporary paralysis of the joint, pain, swelling, and sometimes shock. Dislocations are usually caused
by a blow or fall, although unusual physical effort may also cause one. A few, especially of the hip, are congenital.
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