AssessmentsAnterior compartment of the arm
Anterior compartment of the arm
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 32-year-old man comes to the emergency department because of pain in his upper arm. The pain started when he overstretched his arm rock climbing. He heard a ‘pop’ before a sharp, sudden pain started in the inside of his elbow. Physical examination shows swelling of the antecubital area of the left arm with slight ecchymosis, and weakness of forearm supination and flexion. Magnetic resonance imaging is done and the results are shown below. Which of the following is the most likely diagnosis?