Answer
The borders of the pelvic diaphragm are the pubic symphysis anteriorly, the coccyx posteriorly, and the walls of the pelvis laterally.
Work Step by Step
The pelvic diaphragm is a structure that stretches across the pelvic cavity. It consists of the levator ani and coccygeus muscles and their fascia. It supports pelvic viscera, and is pierced by the urethra, anal canal, and vagina (in females).
