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Figure E depicts the "popeye" deformity of the arm associated with rupture of the long head of the biceps tendon. Frost et al performed a literature review evaluating the treatment of the long head of the biceps tendon, specifically looking at outcomes of tenotomy vs. tenodesis. They found a lack of sufficient evidence to support one treatment over the other and recommend a RCT to better compare these two treatment options. Cheng et al performed an anatomical study evaluating the vascular supply of the long head of the biceps tendon. They found a significant zone of hypovascularity located in the region where the tendon most frequently ruptures and advocate that such biological issues should be considered in the prevention and treatment of such tendon ruptures. Incorrect answers: 1) Brachial plexus palsy 2) Normal biceps 3) Pectoralis major tear 4) Distal biceps rupture with abnormal "hook test" whereby the finger is used to hook the distal biceps tendon. An example of a normal distal biceps is shown in Illustration A where a person places a hangar on their distal biceps tendon.
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