ANAT Exam 2 Word Scramble
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Question | Answer |
Which fascicle arrangements provide more power? | Unipennate and Bipennate |
Which fascicle arrangements provide more Range Of Motion? | Parallel |
In an opposing muscle pair, the one that is responsible for the action | agonist (prime mover) |
In an opposing muscle pair, the one that yields to the effects of the agonist | antagonist |
In an opposing muscle pair, the one that contracts & stabalizes the intermediate joints | synergist |
In an opposing muscle pair, the one that stabalizes the origin of the agonist so that it's more efficient | fixator |
Action of the Erector spinae | extend the vertebral column |
Action of Transversospinalis | Bilateral contraction (extend vertebral column), Unilateral contraction (rotate vertebral column) |
Action of Segemental muscles | extend the vertebral column & lateral flexion of trunk |
Action of Hyoglossus | depress tongue, draws it to the side |
Action of Levator ani and Ischiococcygeus | supports pelvic viscera |
Action of Ischiocavernosus | helps maintain erection of penis and clitoris (by decreasing urine drainage) |
Action of external anal sphincter | keeps anal canal closed |
Action of zygomaticus minor | raises upper lip exposing upper teeth |
Action of lateral rectus | abducts eye |
Action of medial rectus | adducts eye |
Action of superior rectus | elevate, adduct, medially rotates eye |
Action of inferior rectus | depress, adduct, laterally rotates eye |
Action and Origin of Styloglossus | elevates and retracts tongue, O: styloid process |
Give an example of a prime mover and an antagonist. | quadriceps & hamstrings |
Give an example of Synergist muscles. | flexors and extensors of fingers |
Give an example of Fixator muscles. | muscles of arm abduction |
Action of Genioglossus | protrudes and retracts tongue |
What are the three Suprahyoid muscles? | Mylohyoid Stylohyoid Digastric |
What are the four Infrahyoid muscles? | Sternohyoid Sternothyroid Omohyoid Thyrohyoid |
Suprahyoid and Infrahyoid are the muscles of the neck that help _______ and _________. | swallowing (deglutition) and speech |
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