Chewing and Swallowing (muscles)

Temporalis

Closes Jaw

Masseter

Prime mover of jaw closure

Digastric

open mouth and depress mandible

stylohyoid

Elevates and retracts hyoid

Mylohyoid

Elevates hyoid bone and floor of mouth

Geniohyoid

Pulls hyoid bone superiorly and anteriorly

Omohyoid

Depresses and retracts hyoid bone

sternohyoid

Depresses larynx and hyoid bone if mandible is fixed

thyrohyoid

depresses hyoid bone or elevates larynx if hyoid is fixed

Sternothyroid

Depresses larynx and hyoid bone

Sternocleidomastoid

Flexes and laterally rotates the head

Temporalis

Closes Jaw

Masseter

Prime mover of jaw closure

Digastric

open mouth and depress mandible

stylohyoid

Elevates and retracts hyoid

Mylohyoid

Elevates hyoid bone and floor of mouth

Geniohyoid

Pulls hyoid bone superiorly and anteriorly

Omohyoid

Depresses and retracts hyoid bone

sternohyoid

Depresses larynx and hyoid bone if mandible is fixed

thyrohyoid

depresses hyoid bone or elevates larynx if hyoid is fixed

Sternothyroid

Depresses larynx and hyoid bone

Sternocleidomastoid

Flexes and laterally rotates the head