Abstract

Gamekeeper’s thumb is a condition resulting from low-grade repeated force through the ulnar collateral ligament of the thumb metacarpophalangeal joint. In its acute form, it is sometimes known as Skier’s thumb and can be associated with tears, ruptures and fractures. Prompt assessment of the thumb’s structural integrity is therefore important in preventing long-term morbidity of metacarpophalangeal joint instability. Diagnosis is usually made clinically, although radiological imaging can act as a helpful adjunct. Unstable injuries tend to have a better functional outcome if repaired surgically. This article will outline relevant clinical anatomy, injury mechanism, clinical assessment and management of ulnar collateral injuries including Gamekeeper’s thumb.

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