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

Question

Quizplus · Accepted Answer

A muscle group that works with and assists the action of a prime mover is called a synergist. Antagonist muscles work against the action of the prime mover, while fixator muscles stabilize a joint to enable the action of the prime mover. The correct answer is C, which is the only choice that correctly describes a muscle group that assists the action of a prime mover.

A Muscle Group That Works with and Assists the Action