If you were running a marathon, which 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

F you were running a marathon, the type of muscle fibers that would be most useful to you are A) slow-twitch fibers. 

F you were running a marathon, the type of muscle fibers that would be most useful to you are A) slow-twitch fibers. 

If you were running a marathon, the type of muscle fibers that would be most useful to you would be A. Slow twitch
Slow twitch is the type of muscle fiber that you use you you do a medium to low intensity activities (marathon is considered medium intensity)

hope this helps

If you were running a marathon, the type of muscle fibers that would be most useful to you would be A. Slow twitch
Slow twitch is the type of muscle fiber that you use you you do a medium to low intensity activities (marathon is considered medium intensity)

hope this helps

Fitness is the ability to perform only very light levels of physical activity.

The best description is: . nobody has any idea what q is.