Fluoroscopic and Gait Analyses for the Functional Performance of a Custom-Made Total Talonavicular Replacement.

Claudio Belvedere, Matteo Cadossi, Antonio Mazzotti, Sandro Giannini, Alberto Leardini

Research output: Contribution to journalArticlepeer-review


The present study evaluated the restoration of joint function in a special clinical case: a professional rock climber who underwent an original total talonavicular replacement with a custom-made prosthesis after a complex articular fracture. Full body gait analysis and 3-dimensional joint kinematics using single-plane fluoroscopy were performed on the same day at the 30-month follow-up examination. Gait analysis was performed using stereophotogrammetric, dynamometric, electromyographic, and baropodometric systems. Gait analysis showed good restoration of rotation, as well as moment patterns in the main lower limb and foot joints in the operated leg. At the artificial tibiotalar joint, videofluoroscopic analysis revealed a flexion capability of about 20°, together with a few degrees of motion in the frontal and transverse planes. The neighboring joints of the foot did not present with severe kinematic abnormalities. A full talonavicular replacement can be a viable and effective solution for complex ankle injury sequelae, even in patients with highly demanding functionality.
Original languageEnglish
Pages (from-to)836-844
Number of pages9
JournalJournal of Foot and Ankle Surgery
Issue number4
Publication statusPublished - 2017


  • baropodometry
  • ustom-made talonavicular prosthesis
  • gait analysis
  • sports trauma
  • videofluoroscopy


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