Now, let’s review what we’ve seen of the bones and ligaments that surround the pelvic cavity.
Here’s the hip bone, the sacrum, and the coccyx. Here’s the sciatic notch. Here’s the pelvic brim.
Here’s the obturator foramen, the body of the ischium, the ischial spine, and the ischial tuberosity. Here’s the body of the pubis, the ischio-pubic ramus, the pubic symphysis, and the pubic arch.
Here are the sacro-iliac ligaments, anterior, and posterior. Here's the sacro-tuberous ligament, and the sacro-spinous ligament, here's the greater sciatic foramen, and the lesser sciatic foramen.