Muscles / Head & neck
Geniohyoid
- Head & neck
- Neck
- Deep layer
Anatomy
- Origin
- Inferior mental spine of the mandible
- Insertion
- Body of the hyoid
- Nerve
- C1 fibres carried by the hypoglossal nerve (CN XII) (C1)
Actions
- Pulls the hyoid anterosuperiorly
- Shortens the floor of the mouth and widens the pharynx
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e