PHYSIOLOGY
DIFFERENT TYPE AND STRUCTURE OF MUSCLE FIBERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A muscle fibre type that would be used for a 55 m sprint during indoor track is:
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Type I
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Type II
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Type III
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Type IV
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Explanation:
Detailed explanation-1: -You use type 2 muscle fibers, your “fast-twitch” muscle fibers, during short, explosive periods of physical activity. “Type 2 muscle fibers are quicker to fatigue but can produce stronger and faster bursts of power, ‘’ says Joe Tatta, PT, DPT, founder of the Integrative Pain Science Institute.
Detailed explanation-2: -Type IIx are best known as fast-twitch muscle fibers. These are the muscle fibers primarily responsible for fast, explosive movements like sprinting. However, they lack the endurance-boosting ability of slow-twitch fibers and can only be used for short periods of time.
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