Walking mechanics following surgical interventions for ankle arthritis / Robin M. Queen, Robert J. Butler -- Global systems available / Warren Latham, Pradeep Alexander, Johnny Lau -- Patient selection, surgical indications, and preoperative planning / Keith L. Wapner, Anthony R. Ndu -- Salto-Talaris total ankle arthroplasty : features, surgical technique, and results / James P. Halloran, Selene G. Parekh -- INBONE implant features, technique, and results / John G. Anderson, Doanld R. Bohay, C. Luke Rust, Nicholas A. Cheney -- Hintegra implant features, technique, and results / Alastair Younger -- Mobility implant features technique, and results / Pascal Rippstein -- The Zimmer trabecular metal total ankle system : features and techniques / Stuart H. Myers, Lew C. Schon -- Total ankle arthroplasty in the varus ankle / James K. DeOrio -- Total ankle arthroplasty in the valgus ankle / James K. DeOrio -- Management of anterior translation of the talus during a total ankle replacement / J. Chris Coetzee -- Complications after total ankle replacement / Victor Valderrabano, Alexj Barg -- Aseptic loosening / Murray J. Penner, Sulaiman A. Almousa, Lee Kolla -- Revision total ankle replacement / Sameh A. Labib, Mark E. Magill -- Conversion to fusion / Christopher E. Gross, Selene G. Parekh -- Conversion of painful ankle arthrodesis to total ankle replacement / Mark E. Easley, Manuel J. Pelligrini -- Results of modern total ankle arthroplasty / Samuel B. Adams Jr., Mark E. Easley -- Total ankle arthroplasty rehabilitation / Gregory C. Berlet, James Wilgus, Matthew T. Crill, Jeffrey E. McAlister, Jaymes D. Granata -- External fixation methods for salvage of failed total ankle arthroplasty / Paul S. Cooper -- Polyethylene / Michael Aynardi, David Pedowitz