NBME 20 Rectus femoris (NBME Answers)

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Retired NBME 20 Answers

nbme20/Block 4/Question#26 (reveal difficulty score)
A 33-year-old man comes to the physician ...
Rectus femoris 🔍 / 📺 / 🌳 / 📖
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+14 upvote downvote
submitted by ∗sympathetikey(1600)

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Good picture showing the anatomy of the thigh from a T2 MRI perspective.

https://radiologykey.com/wp-content/uploads/2016/01/B9781437707595000073_u007-009-9781437707595.jpg

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jcmed Was so close to picking vastus intermedius +1

shakakaka Why sartorius is so lateral.. +

I remember "rectus femoris" as the "rectum/butt-kicking" muscle. It helps to both extend and raise the knee, like you'd do when kicking someone. Not directly relevant to this question, but they can always ask about action too.

+7/- baja_blast(219)

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+0 upvote downvote
submitted by ∗trazobone(97)

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You would think the rectus femoris is in the back bc rectum, and biceps is in the front. But no. Okay then.

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makingstrides This is how I remember the biceps, hopefully it helps. Biceps flexes (think of biceps of your arm) - flexion of the leg is raising the leg posteriorly; therefore biceps femoris must be posterior. +2

cweatherly rectus femoris, I remember ERECTus femoris, because genitalia are in the front +

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