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NBME 15 Answers

nbme15/Block 1/Question#48 (3.1 difficulty score)
A 22-year-old man is brought to the emergency ...
Deep fibular (peroneal)🔍
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Superficial peroneal nerve:

  • Sensory—dorsum of foot (except webspace between hallux and 2nd digit)
  • Motor—peroneus longus and brevis

Deep peroneal nerve:

  • Sensory—webspace between hallux and 2nd digit
  • Motor—tibialis anterior

Injury: Trauma or compression of lateral aspect of leg, fibular neck fracture PED = Peroneal Everts and Dorsiflexes; if injured, foot dropPED Loss of sensation on dorsum of foot Foot drop—inverted and plantarflexed at rest, loss of eversion and dorsiflexion; “steppage gait”