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Gross Anatomy Exam 4 > 1 - Superficial & Deep Back > Flashcards

1 - Superficial & Deep Back Flashcards

1
Q

Trapezius Origin (3)

A

Superior Nuchal Line, Nuchal Ligament, & C7-T12 spinous processes

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2
Q

Trapezius Insertion (3)

A

Lateral Clavicle, Acromion, & Spine of Scapula

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3
Q

Trapezius Action (3)

A

Elevates, Depresses & Retracts Scapula (DERRRRR)

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4
Q

Trapezius N & A Supply (and what nerves run deep to it?)

A

CN XI (runs deep to m. with ventral rami iof C3-C4) & Transverse Cervical Artery & Vein

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5
Q

What is the subtrapezial plexus?

A

CN XI & C3-C4 ventral rami
CN XI = motor to trapezius & SCM
C3-C4 ventral rami = proprioception

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6
Q

Latissimus dorsi Origin (3)

A

T7-T12 spinous processes, thoracolumbar (TL) fascia & crest of ilium

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7
Q

Latissimus Dorsi Insertion (1)

A

Intertubercular sulcus (bicipital groove of humerus)

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8
Q

Latissimus Dorsi Action (3)

A

ADDucts, extends, & medially rotates humerus

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9
Q

Latissumus Dorsi Supply

A

thoracodorsal nerve
thoracodorsal vessels
intercostal vessels

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10
Q

Rhomboid Minor & Major Origin (1)

A

C7-T5 spinous processes

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11
Q

Rhomboid Minor & Major Insertion (1)

A

medial border of scapula from spine to inferior angle

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12
Q

Rhomboid Minor & Major Action

A

retract scapula

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13
Q

Rhomboid Minor & Major Supply

A

dorsal scapular nerve
dorsal scapular vessels
(same as levator scapulae)

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14
Q

Levator Scapulae Origin (1)

A

TRANSVERSE processes of the first 3-4 vertebrae

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15
Q

Levator Scapulae Insertion

A

upper medial border of scapula

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16
Q

Levator Scapulae Action

A

elevates scapula

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17
Q

Levator Scapulae Supply

A

dorsal scapular nerve
dorsal scapular vessels
(same as rhomboid minor & major)

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18
Q

Serratus Anterior Origin

A

lateral surface of 1st 8 ribs

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19
Q

Serratus Anterior Insertion

A

anterior surface of medial border of scapula

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20
Q

Serratus Anterior Action (2)

A

protracts scapula & holds it to body wall

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21
Q

Serratus Anterior Supply

A

long thoracic nerve
lateral thoracic vessels
(SALT = Serratus Anterior Long Thoracic (Nerve))

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22
Q

What are the boundaries of the Triangle of Ascultation?

SILD

A

Superior = Trapezius
Inferior = Latissimus Dorsi
Lateral = Rhomboid Major
Floor (deep_ = 6th intercostal space (b/t 6th & 7th ribs)

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23
Q

What are the boundaries of the Lumbar Triangle?

MILD

A

Medial = Latissimus Dorsi
Lateral = External Oblique
Inferior = Iliac Crest
Floor (deep) = Internal oblique

24
Q

Serratus Posterior Superior Origin (1)

A

C7-T3 spinous processes

25
Q

Serratus Posterior Superior Insertion

A

superior border of ribs 2-4 or 2-5

26
Q

Serratus Posterior Superior Action

A

elevates upper ribs

27
Q

Serratus Posterior Superior Supply

A

1st 4 intercostal nerves

1st 4 intercostal vessels

28
Q

Serratus Posterior Inferior Origin

A

T11-L2 spinous processes

29
Q

Serratus Posterior Inferior Insertion

A

inferior border of ribs 8 (or 9) thru 12

30
Q

Serratus Posterior Inferior Action

A

depresses lower ribs

31
Q

Serratus Posterior Inferior Supply

A

last 4 intercostal nerves

last 4 intercostal vessels

32
Q

What is another name for erector spinae?

A

Sacrospinalis mm.

33
Q

What is another name for splenius capitus & cervicis?

A

spinotransversus mm.

34
Q

What is another name for semispinalis capitis & cervicis as well as multifidus & rotatores?

A

transversospinalis mm.

35
Q 
What are the regions of...
Erector Spinae (2)
Splenius Capitus & Cervicis
Semispinalis capitis & cervicis
Multifidus
Rotatores
A 
Erector Spinae (2) = lumbar & thoracic
Splenius Capitus & Cervicis = cervical
Semispinalis capitis & cervicis = cervical
Multifidus = lumbar
Rotatores = thoracis
36
Q

Erector Spinae Mm. Origin (3)

A

posterior sacrum, ilium, & spinous processes

37
Q

Erector Spinae Mm. Insertion (3)

A

spinous processes, transverse processes & ribs

38
Q

Erector Spinae Mm. Action

A

erect spine (postural mm.)

39
Q

Erector Spinae Mm. Supply

A

dorsal rami of spinal nerves
lumbar vessels
intercostal vessels

40
Q

Splenius Capitis & Cervicis Mm. Origin (2)

A

Nuchal Ligament & Upper Spinous Processes

41
Q

Splenius Capitis & Cervicis Mm. Separate Insertions

A 
Capitis = occipital bone & mastoid process
Cervicis = upper cervical transverse processes
42
Q

Splenius Capitis & Cervicis Mm. Action

A

extend & laterally rotate head & neck

43
Q

Splenius Capitis & Cervicis Mm. Supply

A

dorsal rami of spinal nerves
deep cervical vessels
(same as semispinalis capitis & cervicis mm.)

44
Q

Semispinalis Capitis & Cervicis Mm.Origin

A

upper thoracic transverse processes

45
Q

Semispinalis Capitis & Cervicis Mm. Separate Insertions

A 
Capitis = occipital bone between nuchal lines
Cervicis = upper cervical spines
46
Q

Semispinalis Capitis & Cervicis Mm. Action

A

extend head & neck

47
Q

Semispinalis Capitis & Cervicis Mm. Supply

A

dorsal rami of spinal nerves
deep cervical vessels
(same as splenius capitis & cervicis mm.)

48
Q

Multifidus M. Origin

A

sacrum & lower transverse processes

49
Q

Multifidus M. Insertion

A

spinous processes (span 2-4 vertrbrae)

50
Q

Multifidus M. Action

A

laterally flexes & rotates spine

51
Q

Multifidus M. Supply

A

dorsal rami of spinal nerves

lumbar vessels

52
Q

Rotatores M. Origin

A

transverse processes

53
Q

Rotatores M. Insertion

A

spinous processes (span 1-2 vertebrae)

54
Q

Rotatores M. Action

A

rotate spine

55
Q

Rotatores M. Supply

A

dorsal rami of spinal nerves

intercostal vessels.`

56
Q

Name 3 Minor Deep Muscles of the Back

A 
interspinalis
     -b/t spinous processes
     -extend spine
intertransversarius
     -b/t transverse processes
     -laterally flex spine
levator costarum
     -from transverse processes to ribs
     -elevate ribs

Gross Anatomy Exam 4 (4 decks)

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