Musculoskeletal anatomy · USMLE Step 1

A motorcyclist suffers a fracture of the fibular neck, injuring the common fibular nerve. Which function is most impaired?

  1. Foot inversion
  2. Foot eversion
  3. Plantarflexion
  4. Toe flexion
Show answer and explanation

Correct answer: Foot eversion

The common fibular nerve innervates muscles responsible for foot eversion via the superficial fibular nerve. Injury also causes foot drop.

Difficulty: Medium Question 16 of 20

Practice all 20 Musculoskeletal anatomy questions

Keep practicing

More Musculoskeletal anatomy questions