KROK 1 2020 – Question 101 · KROK (Medicine) · Human Anatomy

After a domestic trauma a 34-year-old man has limited flexion of the middle phalanges of his fingers 2-5, which results in the overall limited mobility of the fingers. What muscles are likely to be functionally impaired in this case?

  1. A. M. opponens pollicis, M. adductor pollicis
  2. B. M. flexor digitorum profundus
  3. C. M. flexor digitorum superficialis
  4. D. M. palmaris brevis, M. abductor digiti minimi
  5. E. M. palmaris longus
Hint

Think about the insertion levels of the long finger muscles in the forearm and which segment of the finger each of them moves.

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