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ANATOMY AND FUNCTION OF PELVIC FLOOR
Division of Urogynecology ReconstructiveDeptment of Obstetrics and Gynecology
Faculty of Medicine University of IndonesiaJakarta
Junizaf M.D,
PELVIC FLOOR ANATOMY
Endopelvic fasciaEndopelvic fasciaLevator ani muscles (pelvic diaphragm)Levator ani muscles (pelvic diaphragm)Urogenital diaphragmUrogenital diaphragm
ENDOPELVIC FASCIA
Cardinal ligamentsCardinal ligamentsUterosacral ligamentsUterosacral ligamentsRectovaginal fasciaeRectovaginal fasciaePubocervical fasciaePubocervical fasciae
Upper vaginaCervixUterus
Cardinal ligaments Uterosacral ligaments
Pubocervical Fasciae Rectovaginal Fasciae
Midle vagina
LEVATOR ANI MUSCLES(PELVIC DIAPHRAGMA)
PubococcygeusPubococcygeusIliococcygeusIliococcygeus
Muscles functions to pull the rectum Muscles functions to pull the rectum vagina, urethra anteriorly towards. the vagina, urethra anteriorly towards. the pubic bones, compressing their pubic bones, compressing their lumens closed.lumens closed.
Primary support for the pelvic organs Primary support for the pelvic organs comes from the levator ani muscles.comes from the levator ani muscles.
PUBOCOCCYGEUS
PubourethralisPubourethralisPubovaginalisPubovaginalisPuborectalisPuborectalis
ILIOCOCCYGEUS
Normal genital position
Vagina
Uterus
Levator plate
UROGENITAL DIAPHRAGM
Function:Attach to the ischiopubic ramithe lateral walls of vagina perineal body
PERINEAL BODY
Mass of dense connective tissue:Fibers from:
BulbocavernosusSuperficial transverseExternal anal sphincterPerineal membrane
Rupture perinei
Pre operative Uterine prolapse