Suprahyoid muscles
Musculi suprahyoidei
Definition
The suprahyoid muscles are a group of four small muscles located above the hyoid bone. They connect the hyoid bone to the mandible and skull base, forming the floor of the mouth and playing key roles in swallowing and speech. These include:
Actions
Elevate the hyoid bone during swallowing and speech.
When hyoid is fixed, depress the mandible, assisting in mouth opening.
References
Khan YS, Fakoya AO, Bordoni B. Anatomy, Head and Neck: Suprahyoid Muscle. [Updated 2025 Mar 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK546710/
