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
Triple ahrodesis involves - 
Select and explain. 
A. Calcaneocuboid, talonavicular and talocalcaneal, B. Tibiotalar, calcaneocuboid and talonavicular, C. Ankle joint, calcaneocuboid and talonavicular, D. None of the above
A: Calcaneocuboid, talonavicular and talocalcaneal
Answer: A: Calcaneocuboid, talonavicular and talocalcaneal 
Explanation: 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