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