This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following muscles undergo paralysis after injury to C5 and C6 spinal nerves except: 
Select and explain. 
A. Biceps., B. Brachioradialis, C. Brachialis, D. All
B: Brachioradialis
Answer: B: Brachioradialis 
Explanation: D i.e. Branchioradialis (According to Snell)