A 31-year-old male runner sustains an inversion ankle injury while running. He presents with numbness over the dorsum of the foot and weak foot eversion. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C. Physical examination reveals intact dorsiflexion and normal sensation in the first dorsal web space. Nerve conduction studies show slowed conduction velocity across the fibular head. Which nerve is most likely injured?
- A)Deep fibular nerve
- B)Common fibular nerve
- C)Sural nerve
- D)Superficial fibular nerveGABARITO
- E)Tibial nerve
Explicação
The superficial fibular nerve supplies the lateral compartment muscles that evert the foot and provides sensation to most of the dorsum of the foot. Preserved dorsiflexion and intact first web space sensation make a deep fibular lesion less likely. Ver explicação completa e trilha adaptativa →