<prompt> Triple ahrodesis involves:Calcaneocuboid, talonavicular and talocalcanealTibiotalar, calcaneocuboid and talonavicularAnkle joint, calcaneocuboid and talonavicularNone of the above  <response>: Triple Ahrodesis: Fusion of three joints Talonavicular - most difficult to fuse Talocalcaneal Calcaneocuboid Indicated only if there is a strong contraindication to ahroplasty eg, previous infection or to salvage a failed ahroplasty Indication: 10 yrs of age for treatment of CTEV 