coccygeal muscle

<anatomy, muscle> Origin, spine of ischium and sacrospinous ligament; insertion, sides of lower part of sacrum and upper part of coccyx; action, assists in support of pelvic floor, especially when intra-abdominal pressures increase; nerve supply, third and fourth sacral.

Synonym: musculus coccygeus, coccygeal muscle, musculus ischiococcygeus.

(05 Mar 2000)


Terms mentioned in text: anatomy, muscle, origin, spine, ischium, sacrospinous ligament, insertion, sides, part, sacrum, upper, coccyx, action, assists, support, pelvic floor, abdominal pressures, increase, nerve, supply, third, sacral, musculus coccygeus, coccygeal muscle, musculus ischiococcygeus
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