MUSCLES OF THE BODY

We have over 600 muscles in total. We can actively control the skeleton muscles only.
Smooth and cardiac muscles are out of reach of our will.
We focus on muscles we want to work out on. This is the mixed view.

Skeletal Muscles (public domain picture, Wikipedia)Wikipedia Public Domain Picture
Fingers and toes have no muscles. They are operated by tendons. Muscle in the middle of the hand, resp. foot pull those tendons.