They are required for strength, being able to lift things up for example. This however, is a very basic description.
It takes 43 muscles to frown.
All of the required muscles.
the muscles required to take a step backward(:
It takes 17 muscles in your face to create a smile.
It blocks the sodium channels that are required to create action potential in the muscles to make them contract.
fine motor skills
Proteins are required for building muscles.
muscles required inteligence not essential
400
Muscle fatigue
Muscles change the relative position of the bones. The bones are just the passive (but required) part.
Drumming fingers on a table primarily uses the small muscles in the fingers (such as the flexor and extensor muscles) and the wrist muscles to create the tapping motion. These muscles work in coordination to generate the repetitive movement required for drumming.