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Well, hello! It’s Matt from Kenhub, and
the focus of this tutorial will be the sternohyoid muscle. The infrahyoid muscles are a group
of four muscles under the hyoid bone attaching to the sternum, larynx and scapula. They are
the omohyoid, the thyrohyoid, the sternothyroid, and the sternohyoid. As mentioned, the sternohyoid
muscle is the focus of this short video and is seen here highlighted in green on this
image of the anterior view of the neck. The sternohyoid muscle has its origin at the
dorsal surface of manubrium and the sternoclavicular joint and its insertion on the body of hyoid.
The sternohyoid is the most superficial of all the infrahyoid muscles. All four infrahyoid
muscles are supplied by the deep ansa cervicalis which arises from the cervical plexus. The infrahyoid muscles are responsible for
the positioning of the hyoid bone along with the suprahyoid muscles. They play and active
role in swallowing and the movement of the larynx. The sternohyoid muscle depresses the
larynx whereas the thyrohyoid elevates it when the hyoid bone is fixed. This video is more fun than reading a textbook,
right? If you want more videos, interactive quizzes, articles, and an atlas of human anatomy,
click on the “Take me to Kenhub” button. It is time to say goodbye to your old textbooks
and say hello to your new anatomy learning partner, Kenhub! See you there! https://www.kenhub.com

5 thoughts on “Origin and Insertion of the Sternohyoid Muscle – Human Anatomy | Kenhub

  1. Hi everyone! Hope you enjoyed watching our video on the sternohyoid muscle! Please let us know what you would like us to cover on the next videos. Are you ready to test your knowledge? Check out our quiz available to premium members: https://khub.me/dkx6n. Good luck! 😀

  2. I have a question, why we called it sternohyoid "muscle" not "muscles" though there is two of them, Is it one muscle with two heads ?

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