fast-twitch

American  

[fast-twich, fahst-] / ˈfæstˌtwɪtʃ, ˈfɑst- /

Or fasttwitch

adjective

Physiology.

1. 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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How does fast-twitch compare to similar and commonly confused words? Explore the most common comparisons:

• fast-twitch vs. slow-twitch

Example Sentences

See Examples For:

fast-twitch

But those everyday traders can’t react anywhere near as quickly as a fast-twitch algorithm.

From The Wall Street Journal ● Jul. 23, 2026

Prime among them was "a higher percentage of fast-twitch muscle fibres", which are less dependent upon oxygen.

From BBC ● May 13, 2024

Age-related loss of a specific fast-twitch muscle fibre subtype, key for explosive muscle performance, was also observed4.

From Science Daily ● Apr. 15, 2024

According to Bohannon, this may be because women have more so-called slow-twitch muscle fibers than men, whose bodies favor fast-twitch muscles.

From Salon ● Oct. 11, 2023

And careers are short anyway: Teenagers — with their fast-twitch reflexes — dominate.

From New York Times ● Feb. 25, 2023