[[Prompt::A 17 year old male is brought to the emergency room following trauma to his arm when he was struck with by another player during a lacrosse game. He reports 7/10 pain for which he took ibuprofen en route to the hospital. An X-ray of the arm is shown below. Which of the following is most likely impaired in this patient?
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[[Explanation::The above image shows a mid-shaft fracture of the humerus. This injury is associated with radial nerve damage. The radial nerve is responsible for the innervating the extensors of the wrist.
Educational Objective: The radial nerve is responsible for innervating the extensors of the wrist. The radial nerve is damaged by midshaft fractures of the humerus such as the one pictured above. References: First Aid 2014 page 413]]