Question

What best describes a Type IIx muscle fiber:​

Answer 1

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There is a second type of fast twitch muscle fiber called type IIx. These are even faster and more powerful than type IIa. They are also even more inefficient, fatiguing very quickly. Type IIx fibers are used for activities of very short duration that require significant power and strength.

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Answer 2

Answer:

There is a second type of fast twitch muscle fiber called type IIx. These are even faster and more powerful than type IIa. They are also even more inefficient, fatiguing very quickly. Type IIx fibers are used for activities of very short duration that require significant power and strength.