
What it is, what it does, and what it's connected to…
Because you can't see it, you probably haven't thought much about your coccyx, commonly called the tailbone. The name coccyx comes from a Greek word cuckoo because it resembles the curved beak of a bird.
In the past, it was thought to have no function in humans. But now it's understood that the coccyx provides a base of support for sitting and a place of attachment for various muscles, tendons and ligaments, including the large buttock muscle, and muscles that support the pelvic floor and anus.
Because you can't see it, you probably haven't thought much about your coccyx, commonly called the tailbone. The name coccyx comes from a Greek word cuckoo because it resembles the curved beak of a bird.
In the past, it was thought to have no function in humans. But now it's understood that the coccyx provides a base of support for sitting and a place of attachment for various muscles, tendons and ligaments, including the large buttock muscle, and muscles that support the pelvic floor and anus.