A dislocation occurs when a bone is pulled or pushed out of place
(out of its normal relationship to the other bones that make up a joint). This
can happen in joints such as the kneecap, hip, finger, elbow, or
A dislocation may be caused by a direct blow to the joint, a fall,
or a sudden twisting movement. Everyday activities may cause this injury if a
person has unstable joints. A dislocation in a young child may be caused by
A dislocation can be a problem even if the bone pops back into
Soft tissues in or around a joint (such as
ligaments, tendons, muscles, cartilage, and the joint capsule) may stretch or
Nerves and blood vessels may be damaged by the
A piece of bone at the base of the joint may break off and
end up inside the joint or cause a fracture that extends into the joint.
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.