Muscles of Mastication

connected to the manidible and are maily for chewing

act upon the temporomandible joint

Masseter 

immediatly inferior to base of skull

Connect atlanto-atlas and axis and atlanto-occipital joints

Flex extent skull and side to side 

Anterior verebral muscles

maintian balance of head cervical spine

flex neck and upper back

Extend along antero-lateral surfaces of upper three thoracic and cervical