Pelvic floor muscles

The pelvis is inferior most part of the trunk. Consisting of the pelvic girdle and perineum, it supports the urinary and reproductive organs.
The pelvic floor is formed by the funnel-shaped pelvic diaphragm. The pelvic diaphragm comprises of the two paired muscles and their fasciae; levator ani muscle and the coccygeus muscle. The function of the pelvic diaphragm is to support the pelvic organs and prevent them from prolapse.