What Are the Neck Muscles? Your neck muscle anatomy fits into three categories, ... The suprahyoid muscles move your jaw and help you move your hyoid bone when swallowing or speaking.

Functional Group Muscle Innervation Site of motor neurons Function in deglutition; Suprahyoid: Mylohyoid: Mylohyoid n. (CN V3)Trigeminal nucleus (V), pons: Raise/stabilize hyoid; stabilize tongue ...

Note that the XII cranial nerve provides motor innervation to tongue and many of the suprahyoid muscles including the geniohyoid muscle. Along with the cervical accessory (XI) nerve, it also ...