A patient is coming to the ohopaedic surgeon with a hindfoot deformity for triple ahrodesis. Which of the following bones are fused in triple ahrodesis?

Triple ahrodesis results in fusion of subtalar, calcaneocuboid, and talonavicular joints. It is most effective procedure for fixed hindfoot and forefoot deformities. Triple ahrodesis tend to have a high (50%) failure rate in children under 10 years of age. Fusion of the above said bones is done after 12 years of age only because before that the bones are caillagous.