Queston #13761Note

Palatoglossus is the only tongue muscle innervated by the vagus nerve 
– main action is to elevate the posterior portion of the tongue and to aid in swallowing


Genioglossus, hyoglossus, and styloglossus are all innervated by the hypoglossal nerve (CN XII) 

Geniohyoid muscle is innervated by the ventral ramus of C1 from the cervical plexus