Gamekeeper's
Thumb
Definition:
Gamekeeper's Thumb involves the hyperextension of the thumb at the
metacarpophalangeal (MCP) joint. It is a very common sports injury
involving displaced and non-displaced tears of the ulnar collateral
ligament.
Symptoms:
The most common symptom is significant pain in the thumb. Most people
believe that they may have broken their thumb. Lateral instability
at the metacarpophalangeal joint will occur.
Causes:
Gamekeeper's Thumb is caused by a traumatic rupture of the ulnar
collateral ligament. Usually the result of trying to catch one's
self after a backwards fall or jamming the thumb with a basketball
or soccer ball. This is a very common sports injury.
Treatment:
Non-displaced injuries are usually treated with the use of a splint.
Displaced injuries are also treated with a splint, but usually for
rehabilitation after surgery.
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