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
In a post polio case, iliotibial tract contracture is most likely to result in which of the following? 
Select and explain. 
A. Flexion at the knee, B. Extension at the hip, C. Extension at the hip and knee, D. Flexion at the hip and the knee
A: Flexion at the knee
Answer: A: Flexion at the knee 
Explanation: Iliotibial tract is attached posteriorly and laterally to the axis of the knee joint, its contracture cause flexion of the knee, external rotation and posterior subluxation of tibia. Thus iliotibial contracture can cause flexion deformity of the knee, valgus of the knee, external rotation and posterior subluxation of tibia. Ref: Textbook of Ohopedics and Trauma By GS Kulkarni, Volume 1, 2nd Edition, Pages 567-8 ; Ohopaedics for The Physical Therapist Assistant By Mark Dutton, Page 520