Fig. (4) Two-year follow-up of a 55-year-old patient with right primary wrist OA and sustained a TWA with the Maestro implant, this case was previously published by the author at a five- and six-year follow up [29, 30, 115, 118], same patient as in Figs. (6 A-E and 7 A-E): (A) Radial deviation has significantly improved with 11° (+58%). Note that there is no radial impingement (arrow). (B) Ulnar deviation has significantly improved with 9° (+30%). (C) Extension has slightly improved with 3° (+9%). (D) Flexion has slightly improved with 2° (+9%).