This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric orthopedics, Subject name: Orthopaedics
[{'content': 'Triple ahrodesis involves - \nSelect and explain. \nA. Calcaneocuboid, talonavicular and talocalcaneal, B. Tibiotalar, calcaneocuboid and talonavicular, C. Ankle joint, calcaneocuboid and talonavicular, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Triple ahodesis - * indicated for children more than 10 years with CTEV * it is functionally and cosmetically superior. * lateral close wedge osteotomy through subtalar & midtarsal joints is done to fuse all the three joints of foot namely subtalar(talocalcaneal),talonavicular, calcaneocuboid joints. REF:Textbook of ohopedics ,John Ebenezer, 4th edition ,pg no.509', 'role': 'assistant'}]