Fig. 4From: Mid- and long-term clinical results of the Elektra and Moovis prosthesis for trapeziometacarpal joint replacementExample of a hyperextension deformity > 15° in a patient with trapeziometacarpal joint arthritis before surgery. After the intervention, the deformity receded completely. (a) Before surgery, (b) after arthroplastyBack to article page