Anatomy - USMLE Step 1 - Exam - Qbank 2
A 27-year-old man is brought to the emergency room after sustaining a knife wound in the back. His vital signs are within normal limits. On exam, you appreciate a 4 cm long laceration that runs parallel to the inferior medial border of the scapula, and is 2cm from the spinous process of T5. The laceration has visibly penetrated at least 1 cm into the muscle tissue. Which muscle is most likely affected?
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