There are 2 key muscles groups:
Flexors push the head forward to keep it from falling backwards are comprised of the:
Scalenus, Prevertebral and Sternomastoid muscles.
The opposing extensors pull the head backward to prevent it from falling forwards so we arent looking at the group all the time:
Splenus, Semi spinalus and capitis.
These two groups oppose each other so that in a standard posture our head is facing directly forward and not up or down.
The muscle that is responsible for most of a movement is called a prime mover. It may also be called an agonist.
Most of them.
the prime mover is the muscle responsible for most of the movement in a group of muscles; called the chief muscle.
skeletal
biceps brachii
Most likley... muscle tension.
Mama.
Pectorals and Triceps are the most important. Depends on the style of pushup
Mitochondrion because they are responsible for producing energy
skeletal and muscle system!
Most leg muscles and arm muscles, some muscles in the head, and most internal muscles.
A smooth muscle is responsible for the contractibility of hollow organs, such as blood vessels and the gastrointestinal tract. Going to the bathroom would be controlled by these types of muscles.