Gross Anatomy USMLE Step 1 Practice Question
One week following a sexual encounter at a ski resort in Colorado, a young female develops a painful, swollen knee joint. The emergency department physician suspects gonococcal arthritis and wants to confirm this by sending joint fluid for bacterial culture. He uses the standard suprapatellar approach and passes a needle from the lateral aspect of the thigh into the region immediately proximal to the patella. Through which of the following muscles does the needle pass?
Answer choices
- ASartorius
- BAdductor magnus
- CGracilis
- DVastus lateralisCorrect answer
- EIliacus
- FRectus femoris
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