After being struck on the head of the right fibula by a riot policeman’s club, a now sober demonstrator discovers that he cannot run because his right foot is dragging. He is able to limp away and...

After being struck on the head of the right fibula by a riot policeman’s club, a now sober demonstrator discovers that he cannot run because his right foot is dragging. He is able to limp away and eventually pursue medical attention, where no fracture is seen on x-ray film. Over the next few hours, he regains the ability to walk normally. What is the most likely explanation?

A. Transient tarsal tunnel syndrome due to tibial nerve injury

B. Acute sciatica secondary to trauma

C. Hairline fibular head fracture not seen on x-ray film

D. Femoral nerve palsy secondary to trauma

E. Common peroneal nerve palsy secondary to trauma