Review Question - QID 213725

A 35-year-old man is involved in a motorcycle accident with resultant open fracture of his left proximal fibula and tibia. He is status post open reduction internal fixation and was discharged after an uneventful postoperative recovery. He now presents for follow-up after starting physical therapy, and states that he has been having trouble moving his ankle. On exam, the patient’s temperature is 99.0°F (37.2°C), blood pressure is 130/82 mmHg, pulse is 70/min, and respirations are 14/min. He is in no distress. The patient has had decreased swelling since surgery and has good active range of motion at the knee joint. At his left ankle, the patient is noted to have a loss of active eversion, with passive range of motion preserved. Additionally, the patient is noted to have a loss of sensation over his dorsal left foot sparing the first web space. Which of the following muscles is likely affected?