Muscles / Core
Coccygeus
- Core
- Pelvic floor
- Deep layer
Also called ischiococcygeus.
Anatomy
- Origin
- Ischial spine
- Insertion
- Inferior end of the sacrum and the coccyx
- Nerve
- Branches of the S4-S5 spinal nerves (S4-S5)
Actions
- Supports the pelvic viscera
- Flexes the coccyx
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e