What is the term for a muscle that holds an origin stable for another muscle?

Name: What is the term for a muscle that holds an origin stable for another muscle?
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Question

Quizplus · Accepted Answer

A fixator is a muscle that holds an origin stable for another muscle. Synergists are muscles that have the same action. A prime mover is the main muscle of the synergists to perform the action. An antagonist is a muscle that has an opposite action.

What Is the Term for a Muscle That Holds an Origin