SEER Training Modules: Muscular System

By Tina Polson, Jan 2012

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connective tissue outside the epimysium, surrounds and separates the muscles	fascia
Each muscle is surrounded by a connective tissue sheath called the	epimysium
Portions of the epimysium project inward to divide the muscle into compartments. Each compartment contains a bundle of muscle fibers called:	fasciculus
The fasciculus is surrounded by a layer of connective tissue called the	perimysium
Within the fasciculus, each individual muscle cell, called a muscle fiber, is surrounded by connective tissue called the	endomysium
In the body, there are three types of muscle:	skeletal (striated), smooth, and cardiac.
muscle type found in the walls of the hollow internal organs such as blood vessels, the gastrointestinal tract, bladder, and uterus, is under control of the autonomic nervous system	smooth
Muscles of facial expression include	frontalis, orbicularis oris, laris oculi, buccinator, and zygomaticus
Muscles that move the shoulder and arm include	trapezius and serratus anterior
muscles connect to the humerus and move the arm.	pectoralis major, latissimus dorsi, deltoid, and rotator cuff
Four major muscle groups of the body include	Muscles of the head and neck; Muscles of the trunk; Muscles of the upper extremity; and Muscles of the lower extremity.
Four functions of muscle contraction are	movement, posture, joint stability, and heat production.
Muscles are attached to bones by	tendons

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