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: Orthopaedics
Not true among the following 
Select and explain. 
A. Cock-up splint for radial nerve palsy, B. Russel traction for trochanteric fractures, C. Boston Brace for scoliosis, D. Crutch field traction for lumbar spine injuries
D: Crutch field traction for lumbar spine injuries
Answer: D: Crutch field traction for lumbar spine injuries 
Explanation: Crutch field traction - Cervical spine injuries