Lower limb: oblique popliteal ligament: 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.

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Anatomy · Lower limb: oblique popliteal ligament

Sample item

Which structure forms an expansion across the back of the knee joint capsule and prevents hyperextension, arising from the insertion of semimembranosus?

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

The answer and the reasoning

A. Oblique popliteal ligament

The oblique popliteal ligament is an expansion of the semimembranosus tendon that runs obliquely upwards and laterally over the back of the capsule, reinforcing it and resisting hyperextension.

Option by option

  • A. Oblique popliteal ligament (correct)

    Correct. This expansion of semimembranosus reinforces the posterior capsule.

  • B. Patellar ligament

    This ligament is the continuation of the quadriceps tendon at the front of the knee.

  • C. Arcuate popliteal ligament

    This ligament arises from the fibular head and arches over popliteus; it is a separate posterior structure.

  • D. Fibular collateral ligament

    This cord on the lateral side resists varus stress and is not an expansion of semimembranosus.

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.

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Questions about this Anatomy question

What is the answer to this Anatomy question?

The best answer is A, Oblique popliteal ligament. The oblique popliteal ligament is an expansion of the semimembranosus tendon that runs obliquely upwards and laterally over the back of the capsule, reinforcing it and resisting hyperextension.

Why is "Patellar ligament" not the answer?

This ligament is the continuation of the quadriceps tendon at the front of the knee.

Why is "Arcuate popliteal ligament" not the answer?

This ligament arises from the fibular head and arches over popliteus; it is a separate posterior structure.

Why is "Fibular collateral ligament" not the answer?

This cord on the lateral side resists varus stress and is not an expansion of semimembranosus.

What concept does this question test?

It tests Lower limb: oblique popliteal ligament in Anatomy. The correct option holds because: Correct. This expansion of semimembranosus reinforces the posterior capsule.

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: oblique popliteal ligament?

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.