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
Movements of pronation and supination occurs in all the following upper limb joints, EXCEPT: 
Select and explain. 
A. Superior radio - ulnar joint, B. Middle radio - ulnar joint, C. Inferior radio - ulnar joint, D. Radio - carpal joint
D: Radio - carpal joint
Answer: D: Radio - carpal joint 
Explanation: Supination and pronation movements are not possible in radio-carpal(wrist) joint because the aicular surfaces are ellipsoid shaped. Supination and pronation movements are possible in superior, middle and inferior radio-ulnar joints. Ref: Human Anatomy, B D Chaurasia, 4th Edition, Volume 1, Chapter 10, Page 151; Clinical Anatomy by Regions, Richard S. Snell, 9th Edition, Chapter 9, Page 408-411.