Structure.
- Origin: transverse processes of T1-T4; articular processes of C4-C7.
- Insertion: mastoid process of temporal bone.
Function.
- Concentric action: extend head; laterally flex and rotate head to same side as contracting muscle.
- Eccentric action.
- Isometric action: stabilization of the spine.
- Innervation: middle and inferior cervical and spinal nerves.
- Arterial supply: branches from occipital artery from the external carotid artery.
Clinical Significance.
Longissimus capitis. Used with permission by 3D4Medical.
References
Biel, A. (2015). Trail guide to the body: A hands-on guide to locating muscles, bones and more.
Clark, M., Lucett, S., Sutton, B. G., & National Academy of Sports Medicine. (2014). NASM essentials of corrective exercise training. Burlington, MA: Jones & Bartlett Learning.
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.
