A 25-year-old man is evaluated in the emergency department after he had a motor vehicle collision. A metallic bar is found embedded in his left arm. His vital signs are normal. According to the physical examination, the proximal forearm has been stabbed with a metallic bar. During the surgical repair, a nerve passing between the flexor digitorum profundus and superficialis is found transected. Which of the following actions would be affected?

Question

Quizplus · Accepted Answer

Eductional Objective: Median nerve injury symptoms vary according to the site of injury. Distal injuries in the carpal tunnel cause numbness and pain in the first 3 fingers and the lateral half of the fourth finger. It causes weakness in the opposition and flexion of the thumb. Proximal injuries lead to decreased sensation in the thenar eminence and Wrist, second and third fingers flexion weakness.

A 25-Year-Old Man Is Evaluated in the Emergency Department After