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Vertebrae Anatomy
Muscular System
13
Biology
Undergraduate 1
11/26/2010

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Term
antagnoistic
Definition
muscles are arranged in opposite pairs
Term
tendons
Definition
connective tissue that adheres to muscle to spines, knobs, ridges, and depressions in bones
Term
origin
Definition
the end of the muscle that does not move
Term
insertion
Definition
the end of the muscle that moves during contraction
Term
muscle's action
Definition
the movement caused by muscle contraction
Term
extensors
Definition
increase the angle of the joint
Term
flexors
Definition
decrease the angle of the joint
Term
abductors
Definition
move an appendage away from the midline of the body
Term
adductors
Definition
move an appendage toward the midline of the body
Term
retractors
Definition
move an appendage backward
Term
protractors
Definition
move an appendage forward
Term
supinators
Definition
rotate the palm or bottom of the foot upward
Term
pronators
Definition
rotate the palm or bottom of the foot downward
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