Anatomy & Physiology: Bones—Vertebral Column, Coccyx.
Structure.
- The adult coccyx is formed from the fusion of 4 coccygeal vertebrae (Co1-Co4) between the ages of 20-30 years old.
- Triangular shape.
- Superior articular processes of Co1 articulates superiorly with the sacrum.
- Female: coccyx is pointing inferiorly to allow passage for birth.
- Male: coccyx points anteriorly.
Function.
Clinical Significance.
References
Biel, A. (2015). Trail guide to the body: A hands-on guide to locating muscles, bones and more.
Cedars-Sinai. (2018). Vertebrae of the spine. Retrieved from https://www.cedars-sinai.org/health-library/diseases-and-conditions/v/vertebrae-of-the-spine.html
Jenkins, G., & Tortora, G. J. (2012). Anatomy and Physiology: From Science to Life, 3rd Edition International Stu. John Wiley & Sons.
Muscolino, J. E. (2017). The muscular system manual: The skeletal muscles of the human body.