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The Muscular System

Fascicles Muscle cells (fibers)s are organized in these bundles
Agonist Greek for rival. Prime mover. Produces a particular movement.
Antagonist Greek for against. Opposes movement of a particular antagonist.
Synergist A smaller muscle that assists a larger agonist and helps start motion or stabilize fixator.
Fixator Origin of agonist.
Externus Visible at body surface
Internus Deep Muscles
Intrinsic Muscles inside an organ
Longus Long
Longissimus Longest
Teres Long and round
Brevis Short
Magnus Large
Major Larger
Maximus Largest
Minor Small
Minimus Smallest
Erector Spinae muscles Spinal extensors. Superficial and deep
Neck Longus capitis and longus colli
Lumbar Quadratus lumborum muscles. Flex the spine and depress the ribs
Oblique Muscles Compress underling structures and rotate vertebral column
Rectus Muscles Flex vertebral column and oppose erector spinae
Created by: elyk01



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