I centralize most work from the pelvic floor on up... always starting class with ab work on the floor or the roller, having student feel their transverse abdominis as well as the complex muscles of the pelvic floor as stabilizers (allowing other body parts to move safely and with ease) rather than doing crunches. (sequencewiz.org)
These lower abdominal fibers that begin below our ribs and funnel down into our pelviscontract in coordination with the levator ani muscle of our pelvic floor. (hab-it.com)
These muscles are sexual in function and contract along with other muscles of our pelvic floor during orgasm. (hab-it.com)