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There are 12 striated muscles in the pelvic floor, which are located in three layers. Endopelvic fascia is the bottom of the pelvic connective tissue that extends from between the internal organs to the pelvic walls. It is considered the first layer of the pelvic floor. The levator ani muscles and their ligaments are considered the second layer, also called the pelvic girdle. It functions as a horizontal plate with a front opening in the center line. During this pause, the urethra, vagina and rectum pass. The last layer is the perineal membrane (ie the urogenital diaphragm) and is located in the hymenial ring. As a result, the urethra is supported by this membrane to a certain extent,the superficial transverse perineal muscles, ischiocavernosus, and bulbocavernosus are located beneath the perineal membrane. They play an important role in the continental mechanism