Muscles: Corrugator Supercilii.

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Anatomy & Physiology: Muscles—Corrugator Supercilii.

Structure.

• Origin: medial end of superciliary arch of frontal bone.
• Insertion: skin of eyebrow.

Function.

• Concentric action: moves eyebrows inferiorly and medial; and wrinkles skin of forehead vertically (frown).
• Eccentric action:
• Isometric action:
• Innervation: facial nerve VII, temporal branch.
• Arterial supply: supratrochlear and supraorbital arteries.

Clinical Significance.

More.

• https://www.anatomynext.com/corrugator-supercilii/
• https://www.youtube.com/watch?v=2Nuja7DqKrw

Corrugator supercilii. Used with permission by 3D4Medical.

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

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.