Question

question 47
a muscle or group of muscles opposing an action is called the:
○ agonist
○ antagonist
○ synergist
○ prime mover

Explanation:

In muscle physiology, an antagonist muscle (or group) opposes the action of another muscle (agonist). Agonists are prime movers, synergists assist agonists, and prime mover is another term for agonist. So the muscle opposing an action is the antagonist.

Answer:

B. antagonist