<prompt> The primary defect in CTEV are the following ExceptEquinusAdductionCalcaneusVarus  <response>: CTEV deformities: Equinus deformity occurs primarily at the ankle joint. Other tarsal joints also contribute to it. Inversion deformity occurs primarily at the subtalar joint. The inveed calcaneum takes the whole foot with it so that the sole faces medially. Forefoot adduction deformity occurs at the midtarsal joints, mainly at the talonavicular joint. Forefoot cavus deformity is the result of excessive arching of the foot at the mid-tarsal joints Ref: Maheshwari 6e pg 210. 