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
Treatment of shaft femur fracture in a 3 years old boy? 
Select and explain. 
A. Gallow's traction, B. Russel traction, C. Intramedullary nailing, D. Plating
B: Russel traction
Answer: B: Russel traction 
Explanation: Ans. is 'b' i.e., Russel traction