Topical Terminology > Fast Twitch Muscle Fiber
1 Definition
Fast Twitch Muscle Fiber
For Fast Twitch Muscle Fiber we have a term and definition in Fitness.
Fast Twitch Muscle Fiber (Fitness) 
This is a type of muscle fiber with fast contractile characteristics that has a low capacity to use oxygen. These fibers are the first to be used in short sudden bursts of activity.
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