To increase the amount of fibers in a muscle, you need to exercise at low intensity for increasingly longer periods of time.

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asked Mar 2, 2017 72.3k views

2 Answers

Sandeep · Answer 1 · 2017-03-08T12:48:35+0000

To increase the amount of slow twitch fibers in a muscle, you need to exercise at low intensity for increasingly longer periods of time.