Rupture of the long head of the biceps is usually seen in older adults, in conjunction with rotator cuff tears or tenosynovitis secondary to chronic subacromial impingement; it is rarely seen as a result of trauma. We present the case of a young active patient who denied prodromal symptoms but ruptured the long head of the biceps brachii tendon (LHB) while performing 25-pound biceps curls. Upon examination, the patient was noted to have a readily apparent biceps defect and decreased strength.

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... was brought to the operating room, where open subpectoral tenodesis of the LHB was performed. At the 6-week follow-up evaluation, the patient had regained full range of motion. By 6 months, he had regained his previous strength. This case demonstrates an unusual presentation of a LHB rupture in a young healthy man with no prodromal symptoms.