What is the pelvic floor? The pelvic floor is a bowl of muscles at the bottom of the pelvis that helps to control bowel, bladder, and sexual function. It consists of three layers from superficial to deep that have differing functions. The first and second layers (meaning the more superficial) are smaller muscles that all come together to create the openings that allow for essential bodily functions. The openings are the urethra, vagina (females), and anus. The functions (yo