Coronal views of the pelvis. 1, acetabular diameter; 2, sacral–acetabular diameter; 3, upperplate S1-acetabulum; 4, sacroiliac–acetabulum; 5, scalenion–acetabulum; 6, sacroiliac–acetabulum angle; 7, pelvic oblique diameter; 8, lateral sacral mass/pelvic breadth (A/C); 9, lateral sacral mass/sacral breadth (A/B); 10, symphysis pubis–apex iliac crest.