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Jamar has decided that he is going to train for a marathon . he knows that it will take a lot of training and that he will need to build his muscles. what part of the muscle does he need to build

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ajinems

The part of muscle that he needs to train is the Slow-twitch muscle fibers.

What are Slow-twitch muscle fibres?

The Slow-twitch muscle fibers are the muscle fibres that are used to support long distance endurance journey such as the marathon race.

Therefore, the part of muscle that he needs to train is the Slow-twitch muscle fibers.

Learn more about muscle here:

https://brainly.com/question/13920046

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