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Neck 1 Flashcards

1
Q

SCM has two heads

A

sternal head: manubrium sterni
clavicle head: medial 2/3 of clavicle

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2
Q

SCM insertion

A

into mastoid and lateral half of superior nuchal line

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3
Q

SCM action

A

bilateral: flex neck
unilateral: tilt neck same side n rotates opp side

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4
Q

SCM nerve supply

A

spinal accessory nerve ( cranial nerve XI which is 11)

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5
Q

Trapezius origin

A

eop
medial half of superior nuchal line
ligamentum nuchae
lower cervical and thoracic spines

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6
Q

Trapezius insertion

A

from head insert into lateral 3rd of clavicle rest is spine of scapula and acromion

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7
Q

Trapezius action

A

rotate and elevate scapula
bilateral: extension of head
unilateral: rotate head and face opp side

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8
Q

Trapezius nerve supply

A

Spinal accessory nerve

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9
Q

Trapezius has 3 parts

A

descending (upper)
transverse (middle)
ascending (lower)

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10
Q

anterior triangle of neck can be categorized into

A

suprahyoid and infrahyoid

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11
Q

suprahyoid muscles

A

stylohyoid
digastric and n post belly
mylohyoid
geniohyoid

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12
Q

stylohyoid origin and insertion

A

origin : styloid process
insertion: body of hyoid bone

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13
Q

stylohyoid m. action

A

elevates hyoid bone

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14
Q

stylohyoid m. nerve supply

A

facial nerve

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15
Q

digastric m. posterior belly origin and insertion

A

origin: digastric notch of temporal bone base of skull

insertion: intermediate tendon

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16
Q

digastric m. posterior belly action

A

elevate hyoid bone

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17
Q

digastric m. posterior belly nerve supply

A

facial nerve

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18
Q

digastric m. ant belly origin and insertion

A

origin: intermediate tendon
insertion: digastric fossa of mandible

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19
Q

digastric m. ant belly action

A

elevate hyoid bone

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20
Q

digastric m. ant belly nerve

A

nerve to mylohyoid muscle

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21
Q

mylohyoid m. origin and insertion

A

origin: mylohyoid line in medial aspect of mandible
insertion: median raphe and body of hyoid

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22
Q

mylohyoid m. action

A

elevates the hyoid, floor of mouth and base of tongue

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23
Q

mylohyoid m. nerve

A

nerve to mylohyoid m

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24
Q

geniohyoid m insertion and origin

A

origin: inferior border genial tubercle of mand

insertion : body of hyoid

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25
geniohyoid m. action
elevates hyoid, floor of mouth and base of tongue
26
geniohyoid m. nerve
C1 through hypoglossal nerve
27
infrahyoid m.
omohyoid m. sternohyoid m. sternothyroid m. thyrohyoid m.
28
omohyoid m. origin and insertion
inferior belly from superior border of scapula and insert into intermediate tendon superior belly from intermediate tendon into lower body of hyoid bone
29
omohyoid m. action
depresses hyoid and larynx
30
omohyoid m. nerve
ansa cervicalis
31
sternohyoid m. origin and insertion
from post. border of manubrium sterni and the sternal end of clavicle into lower border of hyoid bone
32
sternohyoid m. action and nerve
just like omo the action depresses hyoid and larynx ansa cervicalis
33
sternothyroid m.. origin and insertion
manubrium of steri poster aspect insert into oblique line of thyroid cartilage
34
sternothyroid m. action
depresses larynx
35
sternothyroid m nerve
ansa cervicalis
36
thyrohyoid m. origin n insertion
oblique line of thyroid cartilage into body n greater bone of hyoid bone
37
thyrohyoid m action
depresses hyoid bone
38
thyrohyoid m nerve supply
thyrohyoid branch of hypoglossal nerve
39
what's anterior to the anterior triangle
middle line of neck
40
what's posterior to anterior triangle
ant border of scm
41
what's superior to ant triangle
inferior border of mand
42
what's inferior to ant triangle
suprasternal notch meeting point btw ant border of scm and middle line of neck
43
what's the roof of ant triangle
skin, superficial fascia , platysma and investing layer of deep cervical fascia
44
sub divisions of ant triangle
digastric ( sub mand) triangle submental triangle carotid triangle muscular triangle (inferior carotid)
45
sub mand superior border
inferior border of mand
46
sub mand anterior border
ant belly of digastric m
47
sub mand post border
post belly of digastric m
48
sub mand floor
mylohyoid m. hyoglossus m middle constrictor m of pharynx
49
sub mand roof
skin superficial fascia platysma investing layer of deep cervical fascia
50
glands in sub mand
submand and inferior portion of parotid gland
51
lymph nodes in mand
sub mand
52
arteries in sub mand
facial submental
53
veins in sub mand
facial sub mental
54
nerves in sub mand
glossopharyngeal marginal mand of facial hypoglossal
55
on each side of sub mental
ant belly of digastric
56
base of sub mental
body of hyoid bone
57
apex of sub mental
chin or symphysis menti
58
floor of sub mental
mylohyoid m
59
roof of sub mental
skin superficial fascia platysma investing layer of deep cervical fascia
60
contents in sub mental
sub mental lymph nodes sub mental veins anterior jugular veins
61
superior border of carotid triangle
post belly of digastric
62
inferior border of carotid triangle
superior belly of omohyoid
63
posterior border of carotid triangle
ant border of scm m
64
floor of carotid triangle
thyrohyoid m hyoglossus middle and inferior constrictor m of pharynx
65
organs in carotid triangle
lower part of larynx and pharynx
66
arteries n veins in carotid triangle
CCA a ascending pharyngeal n v superior thyroid n v lingual n v facial n v occipital n v internal jugular v
67
nerves in carotid triangle
vagus accessory hypoglossal superior root of ansa cericalis external laryngeal internal laryngeal
68
lymph nodes in carotid
deep cervical
69
muscular triangle ant boundary
median line of neck from hyoid to sternum ( jugular notch)
70
muscular triangle inferpost boundary
ant margin of scm
71
muscular triangle post sup boundary
superior belly of omohyoid
72
muscular triangle floor
sternohyoid sternothyroid
73
muscular triangle organs
thyroid and parathyroid glands trachea larynx pharynx esophagus lymph nodes
74
muscular triangle artery
superior thyroid
75
muscular veins
inferior thyroid ,anterior jugular

HB2 (3 decks)

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