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Related Flashcards
Cards In This Set
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Abduction
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Movement away from the body
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Acetylcholine
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A neurotransmitter released by the parasympathetic nerves onto organs and glands for resting and digesting
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Adduction
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Movement toward the body
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Agonist
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Agonist (Muscle) that causes specific movement; aka "prime movers"
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Antagonist
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A muscle that produces the opposite movement of the prime mover
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Endomysium
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A connective tissue covering that surrounds individual muscle cells
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Epimysium
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A thin covering that is just deep to the fascia of a muscle. it surrounds the entire muscle
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Fascia
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A structure that covers entire skeletal muscles and separates them from each other
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Norepinephrine
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A neurotransmitter released by sympathetic neurons onto organs and glands for fight-or-flight
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Perimysium
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A connective tissue that divides a muscle into sections called fascicles
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Prime mover
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The muscle responsible for most of the movement when a body movement is produced by a group of muscles
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Pronation
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Turning the palms of the hand downward
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Protraction
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Moving a body part anteriorly
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Sphincter
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A valve-like structure formed from circular bands of muscle. Sphincters are located around various body openings and passages
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Synergist
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Muscles that help the "prime mover" by stabilizing joints
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