Fig. 1From: Monobloc implants in cementless total hip arthroplasty in patients with Legg-Calve-Perthes disease: a long-term follow-upThe cup orientation and stem version were measured in an anteroposterior pelvic radiograph. a Postoperative acetabular inclination: α. b Postoperative acetabular anteversion: β. c The angle between the axes of the neck and stem was regarded as the neck–shaft angle: γ. The stem version was assessed by the γBack to article page