You are training to run a marathon in six months. Which type of muscle fiber would be most beneficial for you to develop?

Slow twitch fibers, because they can contract for long periods of time without fatiguing
Fast twitch fibers, because they contract quickly and powerfully
Fast twitch fibers, because they primarily use aerobic respiration
Slow twitch fibers, because they contain more sarcoplasmic reticulum, allowing fast contractions

Question

You are training to run a marathon in six months. Which type of muscle fiber would be most beneficial for you to develop?

 Slow twitch fibers, because they can contract for long periods of time without fatiguing
 Fast twitch fibers, because they contract quickly and powerfully
 Fast twitch fibers, because they primarily use aerobic respiration
 Slow twitch fibers, because they contain more sarcoplasmic reticulum, allowing fast contractions

anonymous · Answer

i think it A

anonymous · Answer

i dont know this one @andrewjordan833 sorry :(

anonymous · Answer

it ok  . thanks for the help anyway . i appreciate it

anonymous · Answer

you welcome... i always try my best to help people

anonymous · Answer

@HelpBlahBlahBlah

helpblahblahblah · Answer

I'm not sure @inowalst think you can help?

anonymous · Answer

@Whitemonsterbunny17