KROK 1 2011 – Question 21 · KROK (Medicine) · Human Anatomy

After a trauma of the upper third of the anterior forearm surface a patient presents with difficult pronation, weakening of palmar flexor muscles and altered skin sensitivity of 1-3 fingers. Which nerve is damaged?

  1. A. n. radialis
  2. B. n. medianus
  3. C. n. cutaneus antebrachii medialis
  4. D. n. ulnaris
  5. E. n. musculocutaneus
Hint

Combine the motor loss (pronators and forearm flexors) with the skin territory of the first three fingers and ask which single nerve supplies both at this level.

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