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The muscles in arm 1 shown below are composed of 80% slow twitch and 20% fast twitch fibers. The muscles in arm 2 are composed of 20% slow twitch and 80% fast twitch fibers. Which arm would be able to perform the most repetitions with the 5 kg-dumbbell, and why?

Respuesta :

sb7179

Answer:

A.

Explanation:

Arm 1, because slow twitch fibers do not fatigue as quickly as fast twitch fibers.

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