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
[{'content': 'Rocker bottom foot is due to ? \nSelect and explain. \nA. Overeatment of CTEV, B. Malunited fracture calcaneum, C. Horizontal talus, D. Neural tube defect', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Overeatment of CTEV Rocker bottom foot Rocker bottom foot is a foot with a convex plantar surface with an apex of convexity at the talar head (normal plantar surface is concave). Causes of Rocker Bottom foot are :- Congenital veical talus Overcorrection of CTEV Improper correction of CTEV, i.e. forceful correction of equines by dorsiflexion before correction of adduction, varus and inversion. Edward's syndrome, Escobar syndrome, Ape's syndrome. Congenital veical talus may be associated with ahrogryposis, Prune belly syndrome, neurofibromatosis, and spinal muscular dystrophy", 'role': 'assistant'}]