Metacarpophalangeal (MCP) joint injuries of the fingers are frequent among athletes and can markedly affect an athlete's ability to perform at a high level. Despite this, MCP finger injuries in athletes are not frequently discussed, particularly in comparison with MCP joint injuries of the thumb, and remain unrecognized and undertreated injuries in this cohort. Accurate diagnosis and treatment of these injuries begins with an understanding of all the potential diagnoses. The purpose of this study was to review the pertinent anatomy and differential diagnoses for MCP joint injuries in athletes, including the evaluation and management to allow for safe and early return to play.
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