Structure The coccyx is a small bone that is located at the bottom of the spine, between the sacrum and the pelvis. [4] It is made up of three to five vertebrae that are fused together. The coccyx is a triangular bone, with a pointed end and two flat sides. It is surrounded by muscles, tendons, and ligaments, which help to support and stabilize it. [5] Location The coccyx is located at the bottom of the spine, between the sacrum and the pelvis. It is located in the lower part of the back ... The human coccyx is the final portion of the vertebral column, typically comprised of three to five vertebral segments.[1] Its proximal vertebral segment articulates with the sacrum via a fibrocartilaginous joint; however, the fusion of the sacrum and coccyx has been a feature in many cases, with prevalence differing by age and sex.[2][3] Each inter-vertebral segment has also been shown to differ in the incidence of fusion with its superior and inferior counterparts. Distally, the coccyx ... Learn about the coccyx , the small, curved bone at the end of your spine that supports your weight and balance when you sit. Find out what causes coccyx pain and injuries, how to diagnose and treat them, and when to see a healthcare provider. The coccyx (also known as the tailbone) is the terminal part of the vertebral column. It is comprised of four vertebrae, which fuse to produce a triangular shape. In this article, we will discuss the anatomy of the coccyx – its structure, bony landmarks, ligaments and clinical relevance.
