A Muscle Group That Works with and Assists the Action

Question

A muscle group that works with and assists the action of a prime mover is a(n) .
A) agonist
B) synergist
C) fixator
D) antagonist

Accepted Answer

A synergist is a muscle group that works with and assists the action of a prime mover. An agonist is the muscle that primarily performs the action, a fixator stabilizes the origin of the prime mover and an antagonist works against the action of the prime mover.