MCPJ

Gamekeeper's Thumb

Definition

 

Injury to ulnar collateral ligament of thumb MCPJ

 

Aetiology

 

Initial description

- chronic laxity of British gamekeeper's thumb's 

- no specific trauma

- secondary to breaking pheasant's neck

 

Acute trauma

- snow ski

- ball games

 

Valgus / forced abduction

 

Anatomy

 

UCL

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