Thyrohyoid muscle

The video tutorial discusses the thyrohyoid muscle, part of the infrahyoid muscle group, which includes the sternohyoid, omohyoid, and thyrohyoid muscles. These muscles are located under the hyoid bone and connect to the sternum, larynx, and scapula. The thyrohyoid muscle continues from the sternohyoid, originating at the thyroid cartilage and inserting on the hyoid bone. It is innervated by the ventral branch of C1 via the hypoglossal nerve and functions to elevate the larynx during swallowing by bringing the hyoid and thyroid cartilages closer together.

What role do the infrahyoid muscles play in relation to the hyoid bone?

Which nerve innervates the thyrohyoid muscle?