Question

What is a fast-twitch muscle fibre?

Answer 1

Answer:

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Explanation:

Fast Twitch Muscle Fiber Types. The two types of skeletal muscle fibers are slow-twitch (type I) and fast-twitch (type II). Slow-twitch muscle fibers support long distance endurance activities like marathon running, while fast-twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.

Answer 2

Answer:

fast twitch muscle fibre support quick, powerful movement such as sprinting, weightlifting

Explanation:

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