Problem: List from superficial to deep all the fibrous structures coverings of muscle organs. Name three types of fiber arrangements seen in skeletal muscles. What name is used to describe the muscle that directly performs a specific movement? Name the type of muscles that generally function as joint stabilizers. List six criteria that may determine a muscle's name, and give an example of a specific muscle named according to each criterion. What group of muscles facilitates chewing movements? What is the action of the sternocleidomastoid muscle? Name the skeletal muscles that produce respiratory movements. Name two functions of the rectus abdominis muscles. What is the perineum?