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
Supination and Pronation occurs at ? 
Select and explain. 
A. Wrist joint, B. Radio-ulnar joints, C. Elbow joint, D. Midcarpal jont
B: Radio-ulnar joints
Answer: B: Radio-ulnar joints 
Explanation: Forearm rotation (supination & proration) occurs at radio-ulnar joint complexe i.e.Superior (proximal) radioulnar jointInferior (distal) radioulnar jointMiddle radioulnar joint