From the case:
Popeye (illustration)
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Image generated with Bing.com by Mohammad Salem Amer
Case Discussion
The Popeye sign is a prominent bulging muscle in the distal biceps region of the arm. It is clinically evident with a complete tear of the long head of the biceps tendon, resulting in distal migration of the muscle.
Image generated with Bing.com by Mohammad Salem Amer.