Lower limb: quadratus femoris: practice question

A Anatomy question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

Try it

Anatomy · Lower limb: quadratus femoris

Sample item

Which lateral rotator of the hip lies below the inferior gemellus, arises from the ischial tuberosity and inserts on the quadrate tubercle of the femur?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

B. Quadratus femoris

Quadratus femoris arises from the lateral border of the ischial tuberosity and inserts on the quadrate tubercle. It laterally rotates the hip and is supplied by the nerve to quadratus femoris.

Option by option

  • A. Piriformis

    This arises from the front of the sacrum and passes through the greater sciatic foramen.

  • B. Quadratus femoris (correct)

    Correct. It arises from the ischial tuberosity and inserts at the quadrate tubercle.

  • C. Obturator externus

    This arises from the outer surface of the obturator membrane and inserts into the trochanteric fossa.

  • D. Obturator internus

    This arises from the inner surface of the obturator membrane and exits via the lesser sciatic foramen.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Anatomy questions

Questions about this Anatomy question

What is the answer to this Anatomy question?

The best answer is B, Quadratus femoris. Quadratus femoris arises from the lateral border of the ischial tuberosity and inserts on the quadrate tubercle.

Why is "Piriformis" not the answer?

This arises from the front of the sacrum and passes through the greater sciatic foramen.

Why is "Obturator externus" not the answer?

This arises from the outer surface of the obturator membrane and inserts into the trochanteric fossa.

Why is "Obturator internus" not the answer?

This arises from the inner surface of the obturator membrane and exits via the lesser sciatic foramen.

What concept does this question test?

It tests Lower limb: quadratus femoris in Anatomy. It laterally rotates the hip and is supplied by the nerve to quadratus femoris.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Lower limb: quadratus femoris?

Learn every nerve by its route, its muscles and what a lesion looks like at the bedside. That one habit answers a large share of questions. Then use the flashcards and the other Anatomy questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.