**3. Subdivision of pelvic floor**

Anterior compartment is bordered by pubic symphysis ventrally, levator Ani laterally and perineal membrane caudally.

Posterior compartment has sacrum and coccyx dorsally, levator ani muscles laterally and caudally. Rectovaginal fascia constitutes an incomplete layer ventrocranially. Ventrocaudal border is composed by the perineal body.

Middle compartment has no distinct borders described ventrally. Laterally there are components of levator ani muscles and the perineal body caudally. Rectovaginal fascia constitutes the dorsal border [9].
