fast-twitch

adjective
\ ˈfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Definition of fast-twitch

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

First Known Use of fast-twitch

1970, in the meaning defined above

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More Definitions for fast-twitch

fast-twitch

adjective
\ ˌfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Medical Definition of fast-twitch

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