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Deep Posterior Sacrococcygeal Ligament
Connective Tissue

Deep Posterior Sacrococcygeal Ligament

Ligamentum sacrococcygeum posterius profundum

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Structure

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.

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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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