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The sacrococcygeal symphysis (sacrococcygeal articulation, articulation of the sacrum and coccyx) is an amphiarthrodial joint, ...
In the human body, the lateral sacrococcygeal ligament is a bilaterally paired ligament extending between the transverse process coccyx, and the inferolateral angle of the sacrum. [1] The ligament forms a foramen for [2] [1] an anterior ramus [1] of the fifth sacral nerve (S5). [2] [1] The ligament may become ossified. [1]
The sacroiliac joint or SI joint (SIJ) is the joint between the sacrum and the ilium bones of the pelvis, which are connected by strong ligaments. In humans, the sacrum supports the spine and is supported in turn by an ilium on each side. The joint is strong, supporting the entire weight of the upper body.
The deep dorsal sacrococcygeal ligament (ligamentum sacrococcygeum posterius profundum) is a continuation of the posterior longitudinal ligament. [1] A flat band arising inside the sacral canal , posteriorly at the orifice of the fifth sacral segment, it descends to the dorsal surface of the coccyx under its longer fellow described below.
The anterior sacrococcygeal ligament or ventral sacrococcygeal ligament consists of a few irregular fibers, which descend from the anterior surface of the sacrum to the front of the coccyx, blending with the periosteum.
Anatomy figure: 17:02-05 at Human Anatomy Online, SUNY Downstate Medical Center – "Posterior view of the bones and ligaments of the hip joint." Anatomy photo:41:os-0114 at the SUNY Downstate Medical Center – "The Female Perineum"
Sacrococcygeal ligament can refer to: Anterior sacrococcygeal ligament (ligamentum sacrococcygeum anterius) Lateral sacrococcygeal ligament (ligamentum sacrococcygeum ...
Inferiorly, it becomes continuous with the anterior sacrococcygeal ligament. [3] Superiorly, between the skull and atlas, the ligament is continuous laterally with the anterior atlantooccipital membrane. [4] The ligament is thick and slightly more narrow over the vertebral bodies and thinner but slightly wider over the intervertebral discs. [5]