Antagonists are muscles that resist the action of and cause movement in the opposite direction.

Prime movers.

Explanation:

Antagonist muscles are the muscles that oppose the action of other muscles. Biceps and triceps muscles acts as antagonist muscles.

Antagonist muscles mainly resist or oppose the action of prime movers of the muscle. These muscles produce the opposite action of the agonist muscles. Agonist muscle is also known as prime movers.

Thus, the answer is prime movers.

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.

answer: the answer is d.

explanation: this is because when you exercise you make your muscle produce a certain liquid, that does not evaporate it.   also when you exercise you do not reduce muscle fiber.   and it does not really control your twitch that much.