Hook of hamate fractures in identical twin collegiate baseball players (opens in new tab)

A 19-year-old, right-hand-dominant, male, National Collegiate Athletic Association division 1 baseball catcher presented with left volar-ulnar wrist pain and small finger numbness that started during athletic competition.Game video footage revealed that the ulnar side of his left hand struck the opposing player’s helmet. Physical examination revealed hook of hamate tenderness with decreased small finger sensation and finger abduction weakness. Wrist radiographs (anteroposterior, lateral and c...