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Naming Muscles

11.1, 11.2

Prime Mover Agonist
Antagonist Yields to effects of prime mover
Synergists Prevent unwanted movements at intermediate joints; contract and stabilize intermediate joints
Fixators Stabilize origin for more efficient primary action
Naming Categories Size, shape, Action, # of origins, location of muscle, sites of origin and insertion
Direction--Rectus Parallel to midline
Direction--Transverse Perpendicular to midline
Direction--Oblique Diagonal to Midline
Size--Maximus Largest
Size--Minimus Smallest
Size--Longus Long
Size--Brevis Short
Size--Latissimus Widest
Size--Longissimus Longest
Size--Magnus Large
Size--Minor Smaller
Size--Vastus Huge
Shape--Deltoid Triangular
Shape--Trapezius Trapezoid
Shape--Serratus Saw Toothed
Shape--Rhomboid Rhombus
Shape--Orbicularis Circle
Shape--Pectinate Comblike
Shape--Piriformis Pear-shaped
Shape--Platys Flat
Shape--Quadratus Square, four-sided
Shape--Gracilis Slender
Action--Flexor Reduces joint angle
Action--Extensor Incr. angle
Action--Abductor Bone away from midline
Action--Adductor Bone towards midline
Action--Levator Raises or elevates body part
Action--Depressor Lowers
Action--Supinator, Pronator Anterioly, posterioly palms
Action--Sphincter Decreases opening size
Action--Tensor Rigid
Action--Rotator Rotates around long axis
Created by: 100000434525601



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