Origin
Temporal fossa, temporal fascia.
Insertion
Mandible
Blood supply
Deep temporal arteries.
Nerve supply
Trigeminal nerve, deep temporal nerves.
Action
The main action involves movement of jaw while eating, talking, and yawning.
Disease/Injury
Migraine headaches are felt in the temporalis muscle area.
Muscle Exercise
NA
Interesting facts
The muscle can be felt when you place your fingers over the temple while clenching and unclenching the jaw, for e.g., when you are angry.