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Anatomy Exam 3 > Lateral Cervical Region > Flashcards

Lateral Cervical Region Flashcards

(56 cards)

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1
Q

Platysma origin

A

Skin over lower neck and upper lateral thorax

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2
Q

Platysma insertion

A

Mandible (inferior border) & skin over lower face and angle of the mouth

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3
Q

Platysma innervation

A

Cervical branch of facial n. (CN VII)

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4
Q

Platysma blood supply

A

Facial a.

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5
Q

Platysma actions

A
  • Depresses and wrinkles skin of lower face & mouth
  • Tenses skin of neck
  • Aids forced depression of mandible
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6
Q

Sternocleidomastoid origin

A
  • Sternal head: sternum (manubrium)

- Clavicular head: clavicle (medial 1/3)

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7
Q

Sternocleidomastoid insertion

A
  • Temporal bone (mastoid process)

- Occipital bone (superior nuchal line)

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8
Q

Sternocleidomastoid innervation

A
  • Motor: spinal accessory n. (CN XI)

- Pain & proprioception: cervical plexus C2& C3

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9
Q

Sternocleidomastoid blood supply

A

Occipital a.

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10
Q

Sternocleidomastoid actions

A
  • Unilateral: tilts head to same side, rotates to opposite

- Bilateral: extends head, aids in respiration when head is fixed

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11
Q

Trapezius (descending) origin

A
  • Occipital bone

- Spinous process C1-C7

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12
Q

Trapezius (descending) insertion

A

Clavicle (lateral 1/3)

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13
Q

Trapezius (descending) innervation

A
  • Motor: spinal accessory n. (CN XI)

- Pain & proprioception: Cervical plexus C2 & C3

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14
Q

Trapezius (descending) blood supply

A

Transverse cervical a.

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15
Q

Trapezius (descending) actions

A
  • Draws scapula obliquely upward

- Rotates glenoid cavity superiorly

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16
Q

Nerves that make up Erb’s point

A
  • Great auricular n.
  • Lesser occipital n.
  • Transverse cervical n.
  • Supraclavicular n.
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17
Q

Triangles within Anterior Cervical Region

A
  • Submandibular (digastric) triangle
  • Submental triangle
  • Muscular triangle
  • Carotid triangle
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18
Q

Contents of Submandibular (digastric) triangle

A
  • Submandibular gland & lymph nodes
  • hypoglossal n. (CN XII)
  • Facial a. & v.
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19
Q

Contents of Submental triangle

A

Submental lymph nodes

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20
Q

Contents of Muscular triangle

A
  • Sternothyroid m.
  • Sternohyoid m.
  • Thyroid & parathyroid glands
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21
Q

Contents of Carotid triangle

A
  • Carotid bifurcation
  • Carotid body
  • hypoglossal n. (CN XII)
  • vagus n. (CN X)
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22
Q

Contents of Sternocleidomastoid region

A
  • Sternocleidomastoid m.
  • Carotid a., Internal jugular v., vagus n (CN X)
  • Jugular lymph nodes
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23
Q

Contents within Lateral Cervical Region

Study These Flashcards
A
  • Omoclavicular (subclavian) triangle

- Occipital triangle

24
Q

Contents within Omoclavicular (subclavian) triangle

Study These Flashcards
A
  • Subclavian a.
  • Subscapular a.
  • Supraclavicular n.
25
Contents within Occipital triangle
- spinal accessory n. (CN XI) - trunks of brachial plexus - transverse cervical a. - cervical plexus (posterior branches)
26
Contents within Posterior Cervical Region
- Nuchal mm. - vertebral a. - cervical plexus
27
Omohyoid origin
Superior border of the scapula
28
Omohyoid insertion
Hyoid bone
29
Omohyoid innervation
Ansa cervicalis (C1-C3)
30
Omohyoid blood supply
Infrahyoid a.
31
Omohyoid actions
- Depress hyoid | - Draw larynx and hyoid downward for phonation and swallowing
32
Anterior scalene origin
Anterior tubercles of transverse processes C3-C6
33
Anterior scalene insertion
Scalene tubercle of 1st rib
34
Anterior scalene innervation
Direct branches of cervical and branchial plexuses (C3-C8)
35
Anterior scalene blood supply
Ascending cervical a.
36
Anterior scalene actions
Mobile ribs: - Elevate upper ribs during forced respiration When ribs fixed: - unilaterally: bends cervical spine to same side - bilaterally: flex neck
37
Middle scalene origin
- Transverse process of C1 & C2 | - Posterior tubercles of transverse processes C3-C7
38
Middle scalene insertion
1st rib, posterior to groove for subclavian a,
39
Middle scalene innervation
Direct branches of cervical and branchial plexuses (C3-C8)
40
Middle scalene blood supply
Ascending cervical a.
41
Middle scalene actions
Mobile ribs: - Elevate upper ribs during forced respiration When ribs fixed: - unilaterally: bends cervical spine to same side - bilaterally: flex neck
42
Posterior scalene origin
Posterior tubercles of transverse processes C5-C7
43
Posterior scalene insertion
Outer surface if 2nd rib
44
Posterior scalene innervation
Direct branches of cervical and brachial plexuses (C3-C8)
45
Posterior scalene blood supply
Ascending cervical a.
46
Posterior scalene actions
Mobile ribs: - Elevate upper ribs during forced respiration When ribs fixed: - unilaterally: bends cervical spine to same side - bilaterally: flex neck
47
Levator scapulae origin
Transverse process of C1-C4
48
Levator scapulae insertion
Superior angle of scapula
49
Levator scapulae innervation
Dorsal scapular n. (C4 & C5)
50
Levator scapulae blood supply
Dorsal scapular a.
51
Levator scapulae actions
- Draw scapula medially upward while moving inferior angle of scapula medially - Incline neck to same side
52
Splenius capitis and cervicis origins
Capitis: ligamentum nuchae & spinous processes of C7-T3 Cervicis: spinous processes of T3-T6
53
Splenius capitis and cervicis insertions
Capitis: - lateral superior nuchal line of occipital bone - mastoid process of temporal bone Cervicis: Transverse processes of C1 & C2
54
Splenius capitis and cervicis innervation
Spinal nn. C1-C6 (dorsal rami, lateral branches)
55
Splenius capitis and cervicis blood supply
Muscular branches of aorta
56
Splenius capitis and cervicis actions
- bilaterally: extend cervical spine & head | - unilaterally: flex & rotate head to same side

Anatomy Exam 3 (2 decks)

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