: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength compare slow-twitch

Examples of fast-twitch in a Sentence

Recent Examples on the Web
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Some people may have a higher proportion of fast-twitch muscle fibers with greater growth potential. Alyssa Hui-Anderson, Verywell Health, 25 Nov. 2024 With its fast-twitch wit, astringent dialogue, and lyrical dialogue, Hall’s absorbing play is reminiscent of works by August Wilson, Tennessee Williams, Tracy Letts, and Jez Butterworth, whose The Hills of California similarly focuses on a group of siblings reunited by a mother’s illness. Rhoda Feng, Vogue, 25 Nov. 2024 Strengthens fast-twitch muscle fibers, which helps with quick, powerful movements. Fred Sassani, Austin American-Statesman, 15 Nov. 2024 But there’s huge variation around this average: some people are mostly slow-twitch, others are mostly fast-twitch. Alex Hutchinson, Outside Online, 12 Nov. 2024 For the specific goal of hanging on to your fast-twitch fibers, there may also be a case for doing some heavy resistance training, with sets of six reps of fewer. Alex Hutchinson, Outside Online, 28 Oct. 2024 Follow the money: Over the course of Golden Week, the list of the most-active stocks on Interactive Brokers, a platform popular with fast-twitch retail investors, was dominated by Chinese tickers. Felix Salmon, Axios, 10 Oct. 2024 People with large amounts of those explosive, fast-twitch muscle fibers may pack a powerful punch or hoist a massive clean and jerk. Bethany Brookshire, Scientific American, 1 Oct. 2024 The allure of reactivity and fast-twitch responses has such a constellation of factors. Sohee Jun, Forbes, 27 Sep. 2024

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of fast-twitch was in 1958

Dictionary Entries Near fast-twitch

Cite this Entry

“Fast-twitch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fast-twitch. Accessed 26 Dec. 2024.

Medical Definition

fast-twitch

adjective
: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength compare slow-twitch
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