单词 | slow-twitch |
释义 | > as lemmasslow-twitch slow-twitch adj. Physiology designating a (type of) muscle or muscle fibre that contracts and relaxes slowly, which typically is involved in slow or sustained movements and does not become fatigued easily.Contrasted with fast-twitch adj. at fast adj. Compounds 2. ΚΠ 1958 Ann. Rev. Physiol. 20 88 The explanation of the difference in kinetics between slow and fast twitch fibers would be simple if the contractile proteins were different. 1994 Runner's World Feb. 34/1 Muscle fibers are divided into two main categories, Type I and Type II—or, more commonly, slow-twitch and fast-twitch muscles. 2014 Wired May 69/1 Thoroughbreds have nearly twice as many slow-twitch fibers as sprinty quarter horses. < as lemmas |
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