Fractures: Lauge-Hansen classification: practice question

A Orthopaedics 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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Orthopaedics · Fractures: Lauge-Hansen classification

Sample item

In the Lauge-Hansen classification of ankle fractures, which injury pattern is the most common?

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

The answer and the reasoning

B. Supination-external rotation

Supination-external rotation accounts for about 60 percent of ankle fractures. Its stages run from anterior tibiofibular ligament injury to a spiral fibular fracture, posterior malleolus or ligament injury, and finally medial malleolus fracture or deltoid rupture.

Option by option

  • A. Pronation-external rotation

    Pronation-external rotation is less common and more severe.

  • B. Supination-external rotation (correct)

    Correct. Supination-external rotation is the commonest pattern.

  • C. Supination-adduction

    Supination-adduction is the least frequent of the four main types.

  • D. Pronation-abduction

    Pronation-abduction is much less frequent.

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 Orthopaedics questions

Questions about this Orthopaedics question

What is the answer to this Orthopaedics question?

The best answer is B, Supination-external rotation. Supination-external rotation accounts for about 60 percent of ankle fractures.

Why is "Pronation-external rotation" not the answer?

Pronation-external rotation is less common and more severe.

Why is "Supination-adduction" not the answer?

Supination-adduction is the least frequent of the four main types.

Why is "Pronation-abduction" not the answer?

Pronation-abduction is much less frequent.

What concept does this question test?

It tests Fractures: Lauge-Hansen classification in Orthopaedics. Its stages run from anterior tibiofibular ligament injury to a spiral fibular fracture, posterior malleolus or ligament injury, and finally medial malleolus fracture or deltoid rupture.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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 Fractures: Lauge-Hansen classification?

Pair each fracture with its classic complication and nerve injured. Then use the flashcards and the other Orthopaedics 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.