Muscular System

When skeletal muscle contracts:

After forming cross bridges with actin myofilaments, the myosin myofilament propels the actin myofilament toward the center of sarcomere

The prefix Bi in a muscle name, such as biceps brachii, refers to the fact that the muscle:

Has 2 origins

The end of a muscle that's attached to more mobile bone is called:

Insertion

A single muscle cell is called a:

Muscle fiber

A continuous state of partial muscle contraction in which muscles are at their optimal resting length is called:

Muscle tone

During the process of muscle contraction, the sarcoplasmic reticulum is stimulated to release which substance?

Calcium

A tendon is an extension of what muscle component?

Epimysium

At rest, muscles obtain most of their energy by metabolizing:

Fatty acids

The prime mover for knee extension is the :

Quadriceps femoris

Which muscle is often called the praying muscle because of it's role in flexing the head?

Sternocleidmastoid