| Coccygeus muscle | |
|---|---|
 Left levator ani from within. | |
| Details | |
| Origin | Sacrospinous ligament and ischial spine |
| Insertion | Lateral margin of coccyx and related border of sacrum |
| Nerve | Pudendal nerve; sacral nerves: S4, S5[1] or S3-S4[2] |
| Actions | Pulls coccyx forward after defecation, closing in the back part of the outlet of the pelvis |
| Identifiers | |
| Latin | musculus coccygeus |
| TA98 | A04.5.04.011 |
| TA2 | 2412 |
| FMA | 19088 |
| Anatomical terms of muscle | |
The coccygeus muscle or ischiococcygeus is a muscle of the pelvic floor located posterior to levator ani and anterior to the sacrospinous ligament.
- ^ Essential Clinical Anatomy. K.L. Moore & A.M. Agur. Lippincott, 2 ed. 2002. Page 217
- ^ "uams.edu". Archived from the original on 2007-12-16. Retrieved 2007-12-09.