What are some of the major identifying characteristics of each?

1. Define the various muscle fiber types in the human body. What are some of the major identifying characteristics of each?
2. Explain which fiber types are used most for various types of activities. Note how these fibers are recruited when we begin exercising or need to have muscle contraction.
Here is the source I have found.
Penney, S. (no date) Fast-twitch vs. slow-twitch muscle fiber types + training tips, NASM. Available at: https://blog.nasm.org/fitness/fast-twitch-vs-slow-twitch (Accessed: October 24, 2022).