I want to look closely at the relationship between our diaphragm and our pelvic floor.  The diaphragm is the ceiling of our pelvis and abdomen, while our pelvic floor is just that...the floor of our pelvis and abdomen. Both of these structures are muscular tissue, both can descend down to a bowl shape, and both can draw up to a flattened, tighter position. Our diaphragm descends down to draw in every breath, taking up room in our abdominal and pelvic cavity. When our diaphragm takes up more...