chewing
chewing
The temporalis
The antagonist for the mandible is the temporalis muscle. It is responsible for closing the jaw while the mandible is involved in opening the jaw.
The masseter muscle is lateral to the ramus of the mandible.
The masseter muscle is the chewing muscle covering the angle of the mandible. During bilateral contraction, the muscle elevates the mandible, raising the lower jaw.
the masseter muscle
The insertion of the temporalis muscle is on the coronoid process of the mandible.
lateral pteregoid
Temporalis
External
Platysma
The masseter IS the functional muscle which closes the mandible (jaw).