Thyrohyoid - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The thyrohyoid muscle is an infrahyoid muscle of the neck. It is located in the deep plane of the neck, along with the sternothyroid muscle. Attachments: Arises from the thyroid cartilage of the larynx and ascends to attach to the hyoid bone. Actions: Depresses the hyoid. If the hyoid bone is fixed, it can elevate the larynx. Innervation: Anterior ramus of C1, carried within the hypoglossal nerve. Blood Supply: Superior thyroid artery (branch of the external carotid artery) and inferior thyroid artery (branch of the thyrocervical trunk). By TeachMeSeries Ltd (2025) Fig 1- Anterior view of the infrahyoid muscles of the neck. By TeachMeSeries Ltd (2025) Fig 2Lateral view of the infrahyoid muscles of the neck. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Pro Feature - Dissection Atlas The thyroid gland and surrounding structures. The thyroid gland and surrounding structures. You've Discovered a Pro Feature Access our Dissection Image Library Enhance your understanding with high-resolution dissection images showcasing real-life anatomy. Learn More Rate This Article