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
Charlie Chaplin gait is seen in- 
Select and explain. 
A. Congenial coxa vara, B. Tibial torsion, C. DDH, D. Genu valgus
A: Congenial coxa vara
Answer: A: Congenial coxa vara 
Explanation: Charlie Chaplin Gait *Gait that occurs in bilateral external torsion of the tibia caused by faulty sitting or sleeping habits as in maintenance of the spread eagle or frog leg posture. *It is seen alkaptonuria, bilateral external tibial torsion and flat feet with valgus at ankle. Ref: Practical Ohopaedics examination made easy, Manish Kumar Varshney p. 509