Your patient fractured the shaft of her left humerus 8 weeks…
Your patient fractured the shaft of her left humerus 8 weeks ago. The bone is well healed, and the cast has been removed. During a follow up exam this morning, you notice that her wrist extensor and finger extensor muscles are very weak, and she admits that this weakness is interfering with her daily activities. Based on this pattern of muscle weakness, what nerve should you suspect is injured? (Hint: What nerve innervates the wrist extensor and finger extensor muscles?)
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