It comprises three to five separate or fused coccygeal vertebrae below the sacrum, attached to the sacrum by a fibrocartilaginous joint, the sacrococcygeal symphysis, which permits limited movement between the sacrum and the coccyx. The coccyx is formed of three, four or five rudimentary vertebrae. It articulates superiorly with the sacrum.

Nov 7, 2024 · The coccyx (plural: coccyges) is the series of rudimentary vertebrae forming the caudal termination of the vertebral column and is positioned inferior to the apex of the sacrum. The coccyx is one leg of the tripod formed in conjunction with the ischial tuberosities for support in a seated position.

Dec 10, 2024 · Six types of coccyx have been described initially by Postacchini and Massobrio and later modified by Nathan et al. 2,3: The intercoccygeal angle is a useful radiological assessment to evaluate the anterior angulation of the coccyx and its deformity.

Oct 30, 2023 · The coccyx, otherwise known as the tailbone, is a small triangular shaped bone comprised of four fused coccygeal vertebrae. It marks the terminal point of the vertebral column and contributes to the formation of the walls of the true pelvis. The coccyx consists of a base, apex, anterior surface, posterior surface and two lateral surfaces.

Das Os coccygis bildet den untersten Teil der Wirbelsäule. Es besteht aus 3-5 rudimentären Wirbelknochen , den Steißbeinwirbeln (Vertebrae coccygeae), von denen die ersten 3 in der Regel erkennbare Reste von Gelenk- und Querfortsätzen tragen.

Individuals who have experienced direct trauma to the coccyx and a suspected or confirmed fracture, may also experience Coccydynia. The coccyx is a triangular bone consisting of three to five segments: the first and largest of these vertebral segments articulates with the …

Nov 2, 2022 · The smaller coccyx (os coccygis) articulates with S5 and is also known as the tailbone. It consists of three to five vertebrae (C1-C5) that are also usually fused. The four vertebra of the coccyx (C1-C4). Lateral to the sacrum and coccyx are the os coxae or hip bones.

Like the sacrum, they are fused into a single bone — the coccyx (os coccygis). The coccyx has a base (basis), an apex (apex), as well as a coccygeal cornu (cornu coccygeum), which is used on each side to articulate with the sacrum.

Discover the anatomy, key features, and variations of the coccyx, or tailbone, including its articulation with the sacrum.

Os coccygis. Latin synonym: Vertebrae coccygeae I-IV Synonym: Coccygeal bone; Vertebrae Co1-Co4; Related terms: Coccyx; coccygeal vertebrae [I-IV]