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Skier's Thumb

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Skier’s Thumb is an injury that occurs when the ulnar collateral ligament of the metacarpal phalangeal joint of the thumb is injured.  The ligament can be injured when the thumb is bent back away from the fingers (hyperextended).  A sports injury, such as during a fall from skiing, can cause Skier’s thumb.  It is treated with immobilization or surgery.  Cases that receive prompt treatment tend to have the best outcomes.

This injury was formerly known as Gamekeeper's Thumb due to stretching and tearing of the ligament from breaking the neck of small animals during hunting.

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