Fig. 3From: Characteristics of three-dimensional acetabular morphology of patients with excellent outcome after rotational acetabular osteotomy over 20 yearsAxial slice of the CT data at the level of the femoral head center. a Measurement of the acetabular anteversion (AV). b Measurement of anterior acetabular sector angle (AASA) and posterior acetabular sector angle (PASA)Back to article page