Orthopaedics Neuromuscular disorders 8bc10424 What is wrong for Game keeper's thumb? A 1st metacarpophalangeal joint involvement B Tear of ulnar collateral ligament C Forced Ulnar detion is the cause D Also called skier's thumb High-Yield Explanation Game keeper's thumb: Also called skier's thumb MC injury of 1st MCP joint Ulnar collateral ligament tear due to forced radial detion