TechniqueBoxer's KnuckleStracher, Michael M.D.; Posner, Martin A. M.D.Author Information New York University—Hospital for Joint Diseases, Department of Orthopaedic Surgery, New York, New York, U.S.A. Address correspondence and reprint requests to Martin A. Posner, M.D., 2 East 88 Street, New York, NY 10128; e-mail: [email protected] Techniques in Hand and Upper Extremity Surgery: December 2002 - Volume 6 - Issue 4 - p 196-199 Buy Abstract Tear of the dorsal capsule of a finger metacarpophalangeal joint is an uncommon injury that should be differentiated from an injury to the sagittal fibers of the extensor hood. While the latter injury can often be treated nonoperatively, a dorsal capsular injury usually requires surgery, particularly in athletes who are disabled by the injury. © 2002 Lippincott Williams & Wilkins, Inc.