This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management In Orthopedics, Subject name: Orthopaedics
Thomas splint most troubling is: 
Select and explain. 
A. Ring, B. Side bars, C. Gauze support, D. Traction attachment
A: Ring
Answer: A: Ring 
Explanation: (a) Ringbecause it impinges against proximal thigh.