The Most Common Boxing Hand Injuries - Carpal Tunnel Pros
Jan 21, 2016·This occurs at the junction between the long bones of the hand and the wrist (carpal bones). This junction is known as the carpal metacarpal joint space and it usually sustains a lot of the force impact of a punch. This can cause tiny microfractures at the base of the metacarpal. The fractures are small and heal by themselves by forming a callus.