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Superficial Posterior Sacrococcygeal Ligament
Connective Tissue

Superficial Posterior Sacrococcygeal Ligament

Ligamentum sacrococcygeum posterius superficiale

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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 superficial posterior sacrococcygeal ligament extends from the edge of the sacral hiatus to the posterior coccyx.

Function

The superficial posterior sacrococcygeal ligament forms the roof of the inferior sacral canal.

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Coccyx

ScienceDirect image

Similarly, the coccyx should be palpated between the examining internal index finger and the index finger of the opposite hand pressed over the external skin at the level of the coccyx.

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