Fig. 2

a Preoperative radiograph of a 67-old-year man with primary osteoarthritis of the hip joint. b Postoperative radiograph shows the excellent implant position of cementless total hip arthroplasty using the anterolateral approach. c Postoperative whole lower extremity radiograph of the prosthetic leg taken while standing. d At 7 years after the operation, the radiograph shows stable fixation of components without subsidence or changes in alignment