Fig. 2From: Ceramic-on-ceramic versus ceramic-on-polyethylene in total hip arthroplasty: a comparative study at a minimum of 13 years follow-upAcetabular cup ante-version. Calculation of acetabular cup anteversion on AP pelvis radiograph using method explained by V. Bachhal et al. AB = major axis of the ellipse, CD = minor axis of the ellipse represented acetabular component XOD = the calculated angle of anteversionBack to article page