Fast-twitched muscle fibers are powerful but tire quickly.

True or False?

true

Explanation:

The two types of skeletal muscle fibers are slow-twitch (type I) and fast-twitch (type II). Slow-twitch muscle fibers support long distance endurance activities like marathon running, while fast-twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.

if there was a picture i could answer this for you

not 100% sure but i'm gonna say it's

retains water

fine grained

and is loose

your welcome

brainliest? (;