fast-twitch


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fast-twitch

(făst′twĭch′)
adj.
Of or relating to skeletal muscle that is composed of strong, rapidly contracting fibers, adapted for high-intensity, low-endurance activities.
References in periodicals archive ?
The total MHC concentration and proportion of slow- and fast-twitch MHC type IIa isoforms in the contralateral limb significantly increase after 6 months of treadmill exercise (Figure 5).
A: Power is the speed at which your muscles can produce force, so it requires activating your fast-twitch muscle fibers.
High-CaMK mice had extra slow-twitch muscle cells, plus extra mitochondria in fast-twitch muscle cells.
My distinction between "response ability" and "agility" is to see the first as a capability (like having fast-twitch muscles) and the second as this capability plus the knowledge necessary to know when it should be exercised.
It has been shown for skeletal muscle that large-diameter fibers provoke rapid and short muscular contractions corresponding to fast-twitch muscular fibers (type II).
TnI exists in three isoforms: one for slow-twitch, one for fast-twitch, and one for cardiac muscle.
These muscles are collections of tiny fibers consisting of two types of cells, fast-twitch and slow-twitch, that contract and relax when directed by nerve impulses from the brain.
Using two complementary mouse models-the "marathon mouse" and the "couch potato mouse"-to make, researchers discovered that microRNAs link the two defining characteristics of fit muscles: the ability to burn sugar and fat and the ability to switch between slow- and fast-twitch muscle fibers.
After a quick set-up you, or more likely a suitably young child who is unused to the fast-twitch world of regular gaming, find the Move transformed into a wand and the book in your lap - so long as you keep your eyes on the TV - a dusty old textbook ready to teach you fans favourite spells like Wingardium Leviosa or Aguamenti.
The ideal relationship to help athletes of all ages and fitness levels play better, Power Plate's Acceleration Training(TM) stimulates fast-twitch muscle fibers, dramatically increasing athletes' explosive strength, motor learning, muscular endurance and overall agility.