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 are responsible for pronator syndrome except 
Select and explain. 
A. Struthers ligament, B. Bicipital aponeurosis, C. Pronator quadratus, D. FDS
C: Pronator quadratus
Answer: C: Pronator quadratus 
Explanation: C i.e. Pronator qauadratus