If you were running a marathon, which of the following type of muscle fibers would be most useful to you?
A. slow-twitch
B. fast-twitch, type I A
C. intermediate-twitch, type II B
D. slow-intermediate twitch, type I B

Respuesta :

A. Slow twitch
These fibers assist in movements that are not fast but are continued for long periods of time and require endurance such as marathons.

Answer:

A

Explanation:

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