Fig. 1From: Evaluation of anatomical pelvic parameters between normal, healthy men and women using three-dimensional computed tomography: a cross-sectional study of sex-specific and age-specific differencesDefinition of the center of the sacral end plate of S1. The center of the sacral end plate of S1 (c) is defined as the point that divided the right and left halves in the coronal plane (a) and divided the front and rear halves in the sagittal plane (b)Back to article page