Coccygeus muscle

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Coccygeus muscle
Left Levator ani from within.
Latin musculus coccygeus
Gray's subject #119 424
Origin Sacrospinous ligament
Nerve: a branch from the fourth and fifth sacral nerves
Action: closing in the back part of the outlet of the pelvis

The Coccygeus is situated behind the levator ani.

It is a triangular plane of muscular and tendinous fibers, arising by its apex from the spine of the ischium and sacrospinous ligament, and inserted by its base into the margin of the coccyx and into the side of the lowest piece of the sacrum.

It assists the Levator ani and Piriformis in closing in the back part of the outlet of the pelvis.

See also

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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