I think it's true, actually, since if you want to exercise longer, you need to be able to endure it for long amounts of time.
Answer:
Striated Muscle: The muscle which shows cross striations. Also called striped muscles.
Non striated muscle: The muscle which show no cross striations. Also called unstriped muscles.
I mean, find what you want to work on when feeling mentally unstable. I guess just make a goal to what you want to achieve when doing this.
