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: Surgery
Which of the following is the initial treatment of choice of Smith's fracture? 
Select and explain. 
A. Open reduction and internal fixation, B. Open reduction and external fixation, C. Above elbow cast with forearm in pronation, D. Above elbow cast with forearm in supination
D: Above elbow cast with forearm in supination
Answer: D: Above elbow cast with forearm in supination 
Explanation: Treatment of Smith's fracture involves closed manipulation followed by an above elbow plaster cast with elbow in flexion and forearm in full supination. Open reduction and internal fixation using buttress plate and screws is done when closed reduction fails. Reference: Essentials Of Ohopaedics & Applied Physiotherapy By Jayant Joshi page 113.