Deep Posterior Sacrococcygeal Ligament
Ligamentum sacrococcygeum posterius profundum
Read moreStructure
There are two parts to the posterior sacrococcygeal ligament.
—The superficial portion extends from the edge of the sacral hiatus to the posterior coccyx. It is the equivalent of the supraspinous ligament.
—The deep portion extends from the posterior aspect of the fifth sacral vertebral body to the posterior coccyx. It is analogous to the posterior longitudinal ligament.
Anatomical Relations
The deep posterior sacrococcygeal ligament extends from the posterior aspect of the fifth sacral vertebral body to the posterior coccyx.
Function
The deep posterior sacrococcygeal ligament supports the stability of the posterior sacrococcygeal region.
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Joint Ligament
Entheseal structures are widely located throughout the body and are represented by the interface between bone and several tissues including tendon, joint capsules and ligaments.
