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What is a muscle fiber and how do they create strength
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What is a muscle fiber and how do they create strength

User Daniel Adinugroho
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Answer:When lifting weights, 2B fibers help you lift heavy with great power. 2B, fast-twitch fibers drive explosive power when doing 1RM or sets of low, heavy repetitions. Type 1, slow-twitch fibers are more suited to muscle endurance training, for example, sets of 20-30 repetitions.

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User Vladimir Protsenko
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