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Which of the following is true about fast-twitch muscle fibers? A. They only twitch when you are nervous. O B. They are found only in elite athletes. C. They can deliver a lot of power for a long time.
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Which of the following is true about fast-twitch muscle fibers?

A. They only twitch when you are nervous.
O B. They are found only in elite athletes.
C. They can deliver a lot of power for a long time.
D. They contract very quickly.

User Valbona
by
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2 Answers

3 votes
D will be the correct answer
User Oliver Ni
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3 votes
D, then contract very quickly.
User Rfunduk
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