maxillary
The masseter is the prime mover of the jaw closure.
The primary movement is called the Prime mover or Agonist
An agonist (prime mover)
.. Masseter - prime mover of jaw closure - elevates the mandible ... External intercostals - with 1st rib fixed by scalene muscles - pull ribs toward one
it's called a prime mover
A "prime mover" is part of a generator - specificially the thing that's causing the generator to spin (such as a turbine). It is called the prime mover because it is what is causing the generator's rotation.
The Prime Mover was created on 1961-03-24.
A prime mover is a machine which transforms energy to/from thermal or electrical, or pressure from/to mechanical form. Examples of a prime mover are engines or turbines.
One is the quadriceps. Others are what are called the glutes and the hamstrings.
Pronator quadratus is the prime mover in pronation of the hand.
A prime mover is the muscle that has the most influence in one direction on the joint it acts on. For example the prime mover in extension of the forearm is the triceps.
The muscle that is responsible for most of a movement is called a prime mover. It may also be called an agonist.