: of, relating to, or being muscle fiber that contracts slowly especially during sustained physical activity requiring endurance compare fast-twitch

Examples of slow-twitch in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Long distance runners have more slow-twitch muscle fibers to go the distance. Bethany Brookshire, Scientific American, 1 Oct. 2024 Compared to most mammals, humans have more slow-twitch muscle fibers, which are energy efficient when running long distances. Will Sullivan, Smithsonian Magazine, 14 May 2024 From your biceps and triceps to your quads and glutes, your skeletal muscles contain slow-twitch (type I) and fast-twitch (type II). Tiffany Ayuda, Health, 13 Apr. 2024 Finally, muscles that have a higher proportion of fast-twitch to slow-twitch fibers strain more readily. Nicole Wetsman, Popular Science, 24 May 2023

Word History

First Known Use

1958, in the meaning defined above

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

Dictionary Entries Near slow-twitch

Cite this Entry

“Slow-twitch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/slow-twitch. Accessed 22 Dec. 2024.

Medical Definition

slow-twitch

adjective
: of, relating to, or being muscle fiber that contracts slowly especially during sustained physical activity requiring endurance compare fast-twitch
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