This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joints of Upper Extremity, Subject name: Anatomy
Supination and Pronation occurs at- 
Select and explain. 
A. Wrist joint, B. Radio-ulnar joints, C. Elbowjoint, D. Midcarpaljont
B: Radio-ulnar joints
Answer: B: Radio-ulnar joints 
Explanation: Ans. is 'b' i.e., Radio-ulnar joints o Forearm rotation (supination & pronation) occurs at radio-ulnar joint complexQ i.e.y Superior (proximal) radioulnar jointInferior (distal) radioulnar jointMiddle radioulnar joint