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A&P AOI 2 > 2/2 AOIs > Flashcards

2/2 AOIs Flashcards

1
Q

digastric action

A

opens mouth, depresses mandible, elevates hyoid bone, and steady it during swallowing and speech

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2
Q

digastric origin

A

lower margin of mandible and mastoid process of of temporal bone

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3
Q

digastric insertion

A

hyoid bone

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4
Q

stylohyoid action

A

elevates and retracts hyoid during swallowing

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5
Q

stylohyoid origin

A

styloid process of temporal bone

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6
Q

stylohyoid insertion

A

hyoid bone

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7
Q

mylohyoid action

A

elevates hyoid bone and floor of mouth

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8
Q

mylohyoid origin

A

medial surface of mandible

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9
Q

mylohyoid insertion

A

hyoid bone and median raphe

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10
Q

geniohyoid action

A

pulls hyoid bone superiorly and anteriorly

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11
Q

geniohyoid origin

A

inner surface of mandibular symphysis

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12
Q

geniohyoid insertion

A

hyoid bone

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13
Q

sternohyoid action

A

depresses larynx and hyoid bone if mandible is fixed

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14
Q

sternohyoid origin

A

manubrium and medial end of clavicle

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15
Q

sternohyoid insertion

A

lower margin of hyoid bone

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16
Q

sternothyroid action

A

pulls larynx and hyoid bone inferiorly

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17
Q

sternothyroid origin

A

posterior surface of manubrium of sternum

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18
Q

sternothyroid insertion

A

thyroid cartilage

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19
Q

thyrohyoid action

A

depresses hyoid bone and elevates larynx if hyoid is fixed

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20
Q

thyrohyoid origin

A

thyroid cartilage

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21
Q

thyrohyoid insertion

A

hyoid bone

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22
Q

pharyngeal constrictor muscles action

A

constricts pharynx during swallowing

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23
Q

pharyngeal constrictor muscles origin

A

attached anteriorly to mandible and medial pterygoid plate, and hyoid bone

24
Q

pharyngeal constrictor muscles insertion

A

posterior median raphe of pharynx

25
Q

genioglossus action

A

protracts tongue

26
Q

genioglossus origin

A

internal surface of mandible near symphysis

27
Q

genioglossus insertion

A

inferior aspect of the tongue, and body of hyoid bone

28
Q

hyoglossus action

A

depresses tongue and draws it sides down

29
Q

hyoglossus origin

A

body and greater horn of hyoid bone

30
Q

hyoglossus insertion

A

inferolateral tongue

31
Q

styloglossus action

A

retracts and elevated tongue

32
Q

styloglossus origin

A

styloid process of temporal bone

33
Q

styloglossus insertion

A

inferolateral tongue

34
Q

long head of the triceps brachii action

A

forearm extension, stabilizes shoulder joint, and assists in arm adduction

35
Q

long head of the triceps brachii origin

A

infraglenoid tubercle of scapula

36
Q

long head of the triceps brachii insertion

A

common tendon into olecranon process of ulna

37
Q

lateral head of triceps brachii action

A

forearm extension

38
Q

lateral head of triceps brachii origin

A

posterior shaft of humerus

39
Q

lateral head of triceps brachii insertion

A

common tendon into olecranon process of ulna

40
Q

medial head of triceps brachii action

A

forearm extension

41
Q

medial head of triceps brachii origin

A

posterior humeral shaft distal to radial groove

42
Q

medial head of triceps brachii insertion

A

common tendon into olecranon process of ulna

43
Q

levator scapulae action

A

elevates and adducts scapula

44
Q

levator scapulae origin

A

transverse process of C1-C4

45
Q

levator scapulae insertion

A

medial boarder of scapula superior to the spine

46
Q

rhomboids action

A

adduction and elevation of scapula

47
Q

rhomboids origin

A

spinous process of C7-T1 vertebrae

48
Q

rhomboids insertion

A

medial boarder of scapulae

49
Q

splenius action

A

rotation of head to same side (extension of head and neck)

50
Q

splenius origin

A

nuchal ligament, spinous processes of C7, and T1-T6 vertebrae

51
Q

splenius insertion

A

mastoid process of temporal bone, superior nuchal line of occipital bone, transverse processes of C1-C3 vertebrae

52
Q

iliocostalis action

A

lateral flexion and extension of vertebral column, and depression of ribs

53
Q

iliocostalis origin

A

iliac crest and ribs

54
Q

iliocostalis insertion

A

ribs, transverse process of cervical vertebrae

55
Q

semispinalis capitis action

A

rotation of head to opposite side, and extension of head and neck

56
Q

semispinalis capitis origin

A

transverse processes of C7-T6 vertebrae

57
Q

semispinalis capitis insertion

A

occipital bone

A&P AOI 2 (3 decks)

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