Subtalar and Naviculocuneiform Fusion for Extended Breakdown of the Medial Arch

Combined ST and NC fusion was successful in restoring the longitudinal medial arch after extended breakdown while preserving the TN joint. This surgical technique was shown to give a reliable fusion and biomechanically stable position of the foot. Although not exactly quantified, we strongly believe that motion at the Chopart joint, which is preserved because of limited fusion in contrast to triple fusion, may be beneficial at long term because it allows better contact force adaptation during gait. The more physiologic absorption and transfer of forces during walking and standing may also preserve the TMT joints from consecutive overloading and development of degenerative changes and destabilization.