<Ul> <Li> Anterior vaginal wall prolapse <Ul> <Li> Cystocele (bladder into vagina) </Li> <Li> Urethrocele (urethra into vagina) </Li> <Li> Cystourethrocele (both bladder and urethra) </Li> </Ul> </Li> <Li> Posterior vaginal wall prolapse <Ul> <Li> Enterocele (small intestine into vagina) </Li> <Li> Rectocele (rectum into vagina) </Li> </Ul> </Li> <Li> Apical vaginal prolapse <Ul> <Li> Uterine prolapse (uterus into vagina) </Li> <Li> Vaginal vault prolapse (roof of vagina) - after hysterectomy </Li> </Ul> </Li> </Ul> <Li> Anterior vaginal wall prolapse <Ul> <Li> Cystocele (bladder into vagina) </Li> <Li> Urethrocele (urethra into vagina) </Li> <Li> Cystourethrocele (both bladder and urethra) </Li> </Ul> </Li> <Ul> <Li> Cystocele (bladder into vagina) </Li> <Li> Urethrocele (urethra into vagina) </Li> <Li> Cystourethrocele (both bladder and urethra) </Li> </Ul> <Li> Cystocele (bladder into vagina) </Li>

What is the main muscle of the pelvic floor