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Gross Anatomy > Block 3 - Muscles & Supporting Structures > Flashcards

Block 3 - Muscles & Supporting Structures Flashcards

1
Q

Identify
Action:
Inn:
O/I:

A

Orbicularis Oculi

A: sleep/blinking & squinting into sun

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2
Q

Identify
Action:
Inn:
O/I:

A

Levator labii superioris

A: raise upper lip & carries forward
Inn: facial n. (buccal br.)

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3
Q

Identify
Action:
Inn:
O/I:

A

Levator anguli oris

A: raise angle of mouth
Inn: facial n. (buccal br.)

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4
Q

Identify
Action:
Inn:
O/I:

A

Zygomaticus major

A: draws angle of mouth when laughing
Inn: facial n. (buccal br.)

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5
Q

Identify
Action:
Inn:
O/I:

A

Buccinator

A: compress cheeks during chewing & distend cheeks (blowing motion)
Inn: facial n. (buccal br.)

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6
Q

Identify
Action:
Inn:
O/I:

A

Depressor anguli oris

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7
Q

Identify
Action:
Inn:
O/I:

A

Orbicularis oris

A: close lip & protrude lips (speech)
Inn: facial n. (buccal br.)

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8
Q

Identify
Action:
Inn:
O/I:

A

Depressor labii inferioris

A: draws lower lip downword; frowning

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9
Q

Identify
Action:
Inn:
O/I:

A

Depressor anguli oris

A: draws angle of mouth down; sadness
Inn: facial n. (mandibular br.)

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10
Q

Identify
Action:
Inn:
O/I:

A

Platysma

A: mastication, facial expression
Inn: CN VII (facial)

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11
Q

Identify
Action:
Inn:
O/I:

A

Occipito-frontalis

A: draw scalp, raise eyebrows, wrinkle forehead (surpise)
Inn: facial n. (temporal br.)

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12
Q

Identify
Action:
Inn:
O/I:

A

Zygomaticus minor

A: elevates upper lip
Inn: facial n. (buccal br.)

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13
Q

Identify
O/I:
A:
Inn:

A

Sternocleidomastoid

A: lat flx (same), rotation (opposite), bilat flx neck, ext head
Inn: CN XI (Accessory)
1. Sternal head
2. Clavicular head

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14
Q

Identify
O/I:
A:
Inn:

A

Digastric - posterior belly

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15
Q
A

Digastric - anterior belly

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16
Q

Identify
O/I:
A:
Inn:

A

Mylohyoid

A: raise mouth (swallowing), elevate hyoid, open mouth
Inn: CN V (trigeminal) - mandibular (V3) n to myohyoid br)

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17
Q
  • highly mobile
  • attached to skeleton via stylohyoid ligament
A

Hyoid bone

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18
Q
A

Cricoid cartilage (arch)

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19
Q
A

Thyroid cartilage (laryngeal prominence)

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20
Q

Identify
O/I:
A:
Inn:

A

Digastric - anterior belly

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21
Q

Identify
O/I:
A:
Inn:

A

Sternohyoid

A: depress hyoid after swalloing
Inn: ansa cervicalis (C1-3)

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22
Q

Identify

A

Omohyoid - superior belly

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23
Q

Identify
O/I:
A:
Inn:

A

Mylohyoid

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24
Q

Identify
O/I:
A:
Inn:

A

Digastric
1. Anterior belly
Inn: CN V (mandibular (V3) n to mylohyoid br.)
2. Posterior belly
Inn: CN VII (facial n.)

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25
Identify O/I: A: Inn:
Stylohyoid A: elevate, retract, flx hyoid Inn: CN VII (facial)
26
Identify O/I: A: Inn:
Sternothyroid A: depress hyoid & laryns Inn: ansa cervicalis (C1-3)
27
Identify O/I: A: Inn:
Thyrohyoid A: depress hyoid, elevate larynx Inn: C1 spinal n via hypoglossal n
28
Identify
Omohyoid - Inferior belly
29
Identify O/I: A: Inn:
Omohyoid A: depress/stabilize hyoid Inn: ansa cervicalis (C1-3) 1. Superior belly 2. Inferior belly
30
Identify O/I: A: Inn:
Anterior scalene A: elevate 1st rib Inn: ventral rami of 4-6 cervical spinal nn
31
Identify O/I: A: Inn:
Middle Scalene A: elevate 1st rib Inn: ventral rami of 3-8 cervical spinal nn
32
Identify O/I: A: Inn:
Splenius capitis O/I: A: rot/lat bend of head & bilat ext head Inn: dorsal rami of middle cervical spinal n.
33
Identify O/I: A: Inn:
Levator scapulae O/I: A: elevate/rot scap; tilt glenoid inf Inn: dorsal scapular n. (C5)
34
Identify O/I: A: Inn:
Splenius cervicis O/I: A: rot/lat bend of head & bilat ext head Inn: dorsal rami of lower cervical spinal n.
35
Identify O/I: A: Inn:
Longissimus capitis dorsal rami of spinal n.
36
Identify O/I: A: Inn:
Semispinalis capitis O/I: A: bilat ex spine, head posture Inn: dorsal rami of spinal n.
37
Identify - Deep to semispinalis capitis O/I: A: Inn:
Semispinalis cervicis bilat ex spine, head posture dorsal rami of spinal n.
38
Identify O/I: A: Inn:
Rectus capitis posterior major A: ext & rot head side to side Inn: dorsal ramus of C1 (suboccipital n.)
39
Identify O/I: A: Inn:
Rectus capitis posterior minor A: ext head Inn: dorsal ramus of C1 (suboccipital n.)
40
Identify O/I: A: Inn:
Rectus capitis posterior major dorsal ramus of C1 (suboccipital n.)
41
Atlas (posterior arch)
42
Identify O/I: A: Inn:
Rectus capitis posterior minor dorsal ramus of C1 (suboccipital n.)
43
Atlas (posterior arch)
44
Identify O/I: A: Inn:
Masseter A: close mouth (elevate mandible) Inn: V3 (mandibular)
45
Identify O/I: A: Inn:
Temporalis A: close jaw, retract mandible (post fibers) Inn: V3 (mandibular)
46
Identify O/I: A: Inn:
Lateral pterygoid A: open mouth, grind teeth Inn: V3 (mandibular)
47
Identify & Function
Cerebrum
48
Identify & Function
cerebellum
49
Identify & Function
Medulla
50
Identify & Function
Pons
51
Identify & Function
Dura Mater
52
Identify & Function superficial to vessels
Arachnoid mater
53
Identify & Function
Falx cerebri
54
Identify & Function
Brain stem
55
Identify & Function
Temporal lobe
56
Identify & Function
Parietal lobe
57
Identify & Function
Frontal lobe
58
Identify & Function
Levator palpebrae superioris
59
Identify & Function
Superior oblique
60
Lateral rectus
61
Superior rectus
62
Levator palpebrae superioris
63
Superior rectus
64
Medial rectus
65
Lateral rectus
66
Medial rectus
67
Inferior rectus
68
Inferior oblique
69
Lateral rectus
70
Superior tarsal plate
71
Medial palpebral ligament
72
Lacrimal sac
73
Inferior oblique
74
Geniohyoid A: elevate/draw hyoid ant, retract/depress mandible Inn: C1 spinal n via hypoglossal n
75
Anterior longitudinal Ligament
76
Cruciate Ligament
77
Tectoral membrane
78
Identify O/I: A: Inn:
Trapezius O/I: A: Inn: Spinal Accessory N. (CN XI) - C3-4 NR
79
Identify O/I: A: Inn:
Latissimus Dorsi O/I: A: ext, add, IR humerus Inn: thoracodorsal n. (C6-8)
80
Identify O/I: A: Inn:
Spinalis dorsal rami of spinal n.
81
Identify O/I: A: Inn:
Longissimus dorsal rami of spinal n.
82
Identify O/I: A: Inn:
Iliocostalis O/I: A: Inn: dorsal rami of spinal n.
83
Identify O/I: A: Inn:
Long rotators bilat ext, rot to opposit side dorsal rami of spinal n.
84
Identify O/I: A: Inn:
Short rotators bilat ext, rot to opposit side dorsal rami of spinal n.
85
Identify O/I: A: Inn:
Rhomboid major O/I: A: retract/stabilize/IR scapula Inn: dorsal scapular n. (C5)
86
Identify O/I: A: Inn:
Rhomboid minor O/I: A: retract/stabilize/IR scapula Inn: dorsal scapular n. (C5)
87
Identify O/I: A: Inn:
Semispinalis Thoracis bilat ex spine, head posture dorsal rami of spinal n.
88
Identify O/I: A: Inn:
Multifidus bilat ext spine; lat flx; unilat rot vert bodies dorsal rami of spinal n.
89
Identify O/I: A: Inn:
Obliquus Capitis Superior ext & side bend of head dorsal ramus of C1 (suboccipital n.)
90
Identify O/I: A: Inn:
Obliquus Capitis Inferior A: rot atlas (side to side) Inn: dorsal ramus of C1 (suboccipital n.)
91
Identify yellow arrow (attaches to the dura mater & splits the n. into ventral & dorsal roots)
Denticulate ligament

Gross Anatomy (15 decks)

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