Clinical features of common peroneal nerve injury

• Common peroneal nerve is relatively unprotected as it traverses the lateral aspect of the neck of fibula – hence is prone to injury at this area
• The clinical features of common peroneal nerve injury are:
  • Foot drop
  • Weakness of dorsiflexion of foot
  • Weakness of extensor hallucis longus
  • Weakness of eversion of foot
  • Sensory loss on lateral aspect of leg which extends to dorsum of foot

Reference:
Gray’s anatomy, 39th edition, p1504