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0 votes
Which of the following is true about fast-twitch muscle fibers?

A.
They can deliver a lot of power for a long time.

B.
They contract very quickly.

C.
They are found only in elite athletes.

D.
They only twitch when you are nervous.

2 Answers

2 votes

Answer:

B

Step-by-step explanation:

It's B I recently read an article on it :))

User Edon
by
7.3k points
5 votes

Answer:

B

Step-by-step explanation:

because they use anerobic metabolism to ceate fuel and they are better at generating short busts of strength or speed than slow muscles

User Nicolai Lissau
by
7.5k points
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