• Pramod B Voleti, Jennifer L Berkowitz, Gabrielle P Konin, and Frank A Cordasco.
• Department of Orthopaedic Surgery, Montefiore Medical Center, Bronx, NY, USA.
• J Shoulder Elbow Surg. 2017 Mar 1; 26 (3): 403-408.

BackgroundRupture of the short head component of a bifurcated distal biceps tendon is a rare injury that may be difficult to diagnose and to treat.MethodsThree cases of patients with selective disruption of the short head of the biceps distal tendon from a single institution are reported. The presenting history, physical examination, imaging studies, operative findings, and treatment strategies are described.ResultsIn each case, the mechanism of injury was forceful flexion of the involved elbow against an eccentric load. Notable physical examination findings included a palpable tendon in the antecubital fossa, a "reverse Popeye" deformity, and pain and weakness with resisted forearm supination and elbow flexion. Careful review of the magnetic resonance imaging studies demonstrated the classic findings for this unique injury. All 3 patients successfully returned to their baseline level of activity after anatomic repair of the short head component with or without independent repair of the long head component (depending on the degree of partial tearing seen intraoperatively).Discussion/ConclusionsRupture of the short head component of a bifurcated distal biceps tendon is a rare injury that can be easily misdiagnosed and mistreated. A meticulous physical examination and evaluation of imaging is required to differentiate this injury from a partial or complete tear of a common distal biceps tendon. Clinicians should maintain a high index of suspicion for this unusual injury pattern. When it is diagnosed appropriately, selective disruption of the short head of the biceps distal tendon may be effectively treated with anatomic repair.Copyright © 2017 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.

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