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fast-twitch

or fast·twitch

[ fast-twich, fahst- ]
/ ˈfæstˌtwɪtʃ, ˈfɑst- /
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adjective Physiology.

of or relating to muscle fiber that contracts relatively rapidly, utilized especially in actions requiring maximum effort of short duration, as sprinting (distinguished from slow-twitch).

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QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
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Which one of these commonly confused words can act as an adverb or a pronoun?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for fast-twitch

Medical definitions for fast-twitch

fast-twitch

adj.

Of or relating to skeletal muscle that is composed of strong, rapidly contracting fibers, adapted for high-intensity, low-endurance activities.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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