Yes
Masseter
muscle of mastication.
The masseter muscle is lateral to the ramus of the mandible.
Mastication, or chewing, involves a total of four muscles. These muscles are the masseter, temporalis, medial pterygoid, and lateral pterygoid.
Temporalis, Masseter and the Medial Pterygoid
The masseter IS the functional muscle which closes the mandible (jaw).
The principal muscle of mastication that closes the mouth is the masseter muscle. This powerful muscle is located at the back of the jaw and plays a key role in elevating the mandible to facilitate chewing. It works in conjunction with other muscles, such as the temporalis and pterygoid muscles, to enable effective movement of the jaw during mastication.
Mastication is what those muscles can help you do.
Yes, both the medial pterygoid and masseter muscles are muscles of mastication. The masseter is primarily responsible for elevating the mandible, contributing to chewing. The medial pterygoid also assists in elevating the mandible and allows for side-to-side movement during chewing. Together, these muscles play a crucial role in the process of mastication.
Although more than one muscle is involved in the process of clenching your jaw, the main culprit is the Masseter muscle. A fun fact: the masseter is also the strongest muscle in your body; no wonder it hurts so much when you bite your tongue!
The antagonist of the masseter muscle is the digastric muscle. It helps to open the jaw by working against the masseter muscle during swallowing and speaking.
The masseter muscle. both masseter and temporalis :)100%