Muscle
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Which fascicle arrangements provide more power? | Unipennate and Bipennate
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| Which fascicle arrangements provide more Range Of Motion? | Parallel
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| In an opposing muscle pair, the one that is responsible for the action | agonist (prime mover)
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| In an opposing muscle pair, the one that yields to the effects of the agonist | antagonist
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| In an opposing muscle pair, the one that contracts & stabalizes the intermediate joints | synergist
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| In an opposing muscle pair, the one that stabalizes the origin of the agonist so that it's more efficient | fixator
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| Action of the Erector spinae | extend the vertebral column
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| Action of Transversospinalis | Bilateral contraction (extend vertebral column), Unilateral contraction (rotate vertebral column)
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| Action of Segemental muscles | extend the vertebral column & lateral flexion of trunk
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| Action of Hyoglossus | depress tongue, draws it to the side
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| Action of Levator ani and Ischiococcygeus | supports pelvic viscera
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| Action of Ischiocavernosus | helps maintain erection of penis and clitoris (by decreasing urine drainage)
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| Action of external anal sphincter | keeps anal canal closed
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| Action of zygomaticus minor | raises upper lip exposing upper teeth
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| Action of lateral rectus | abducts eye
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| Action of medial rectus | adducts eye
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| Action of superior rectus | elevate, adduct, medially rotates eye
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| Action of inferior rectus | depress, adduct, laterally rotates eye
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| Action and Origin of Styloglossus | elevates and retracts tongue, O: styloid process
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| Give an example of a prime mover and an antagonist. | quadriceps & hamstrings
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| Give an example of Synergist muscles. | flexors and extensors of fingers
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| Give an example of Fixator muscles. | muscles of arm abduction
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| Action of Genioglossus | protrudes and retracts tongue
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| What are the three Suprahyoid muscles? | Mylohyoid
Stylohyoid
Digastric
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| What are the four Infrahyoid muscles? | Sternohyoid
Sternothyroid
Omohyoid
Thyrohyoid
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| Suprahyoid and Infrahyoid are the muscles of the neck that help _______ and _________. | swallowing (deglutition) and speech
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