Fig. 1.

Anterior vaginal wall models at rest and with Valsalva. a Midsagittal MR slice with subsequent outline of vaginal wall at rest (pink) and with Valsalva (turquoise, panel b). Uterovaginal junction shown with dark pink square. c Addition of midsagittal pelvic bones (white) and anterior vaginal wall model. d Powerpoint image of both resting and straining anterior vaginal wall models and their relationship to the normalized ATFP, shown here as green line extending from the pubic symphysis to the ischial spines (green square), or the P-IS line. © DeLancey 2009