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42 votes
42 votes
Marathon training primarily recruits which type of fibers

User ChrisJD
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1 Answer

19 votes
19 votes

Answer: Slow-twitch (type 1) muscle fibers.

Step-by-step explanation:

These fibers have a slow contraction speed, utilize aerobic glycolysis, and are fatigue and injury resistant, making them perfect for long-distance events/activities.

User Tobylaroni
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