Game keepers thumb is:
High-Yield Explanation
GAME KEEPER'S/SKIER'S THUMB Injury to the thumb metacarpophalangeal joint ulnar collateral ligament- most common injury of 1st MCP joint. Pain, swelling and ecchymosis around the metacarpophalangeal joint. On clinical examination, a prominent lump can be palpated, which represents the ulnar collateral ligament being displaced by the adductor aponeurosis.