Muscles of Superficial Back Flashcards Preview

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Flashcards in Muscles of Superficial Back Deck (28)
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1
Q

External Occipital Protuberance

A

Base of skull

2
Q

Mastoid Process

A

Right below ear

3
Q

Acromion

A

End of scapula

4
Q

Illiac Crest

A

Tip of pelvis

5
Q

Trapezius attachments

A

Descending-occiptal bone at spins process of T1 to T4 and inserts into accordion

Transverse-aponeroses of spinous prices of T1 to T4 and inserts into accordion

Ascending-spinous process of T5 to T12 and inserts onto scapular spine

6
Q

Ligamentum nuchae

A

External occoipta protuberance to the c7 spinous process

for the trap

7
Q

Trap innervation

A

Accessory Nerve and cervoca pleux (C3-C4)

8
Q

Accessory nerve shorthad

A

CN XI

9
Q

Cervical plexus nerve verts

A

C3 and C4

10
Q

Trap actions

A

Descending-draws scapula obliquely upward to rotate gleaned

Transverse-draw scapula medially (abducts)

Ascending-draw scapula medially downward

Together-steadyscapula on thorax

11
Q

Lat attachments

A

Vertebral-starts at spinous processes of T7 to T12 and thoracolumbar fascia

Scapular-origintes from interior angle of scapula

Costal-starts from ribs 9 to 12

Iliac-originates from posterior third of iliac crest

ALL END AT LESSER TUBEROSITY OF HUMEROUS-anterior angle

12
Q

Lat innervation

A

Throacodorsal nerve

13
Q

thoracodorsal nerve verts

A

C6 to C8

14
Q

Lat actions

A

Internally rotate, adduct, and extend upper limb

Cough muscle

15
Q

Levator scapulae attachements

A

origin-tranverse process of c1-c4

Ends-super angle of scapula

16
Q

Levato scapulae innervation

A

dorsal scauplar nerve

17
Q

Dorsal scapular nerve verts.

A

C4-C5

18
Q

Levator scpaulae action

A

draws scapula medially upward while moving inerior angle medially, inclines neck to same side
(basically shrug to a side)

19
Q

Rhomboid minor attachments

A

Origin-spinous process of c6-7

End-medial border of scapula above (minor) and below (major) scapular spine

20
Q

Rhomboid minor/makjor innervation

A

dorsal scapular nerve

21
Q

Rhomboid major attachments

A

origin-spinous process of t1-t4 vertebrae

end-medial border of spacial above (minor) and below (major) scapular spine

22
Q

Trees major attachments

A

origen-inferior proceso of scapula

Inerstion-crest of lesser tuberosity of the anterior angle of the humorous

23
Q

Teres major innervation

A

Lower suscapular nerve

24
Q

lower suubscapular nerve verts.

A

c5-c7

25
Q

trees major actions

A

internal rotation, adduction, extension

26
Q

Transverse cervical artery

A

Blood to trap

27
Q

CNXI and tranverse cervical artery orientation

A

CNXI is medial

Artery/accompanying vein are lateral

Artery is usually on top of CNXI

28
Q

Rhomboid actions

A

Steady scapula

Draw medially and upward