Therefore, they supply blood to the pelvic organs and legs.

因此，它们为盆腔器官和腿部供血。

With pelvic floor dysfunction, stool becomes difficult to eliminate from the rectum because of tightened pelvic floor muscles, or due to a pelvic organ prolapse, usually through childbirth or aging.

而骨盆底功能紊乱时，粪便变得很难从直肠中排出。原因可能是盆底肌过分紧张或者骨盆器官下垂。