Muscles of Superficial Back Flashcards Preview

SF1 > Muscles of Superficial Back > Flashcards

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

External Occipital Protuberance

Base of skull

2

Mastoid Process

Right below ear

3

Acromion

End of scapula

4

Illiac Crest

Tip of pelvis

5

Trapezius attachments

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

Ligamentum nuchae

External occoipta protuberance to the c7 spinous process

for the trap

7

Trap innervation

Accessory Nerve and cervoca pleux (C3-C4)

8

Accessory nerve shorthad

CN XI

9

Cervical plexus nerve verts

C3 and C4

10

Trap actions

Descending-draws scapula obliquely upward to rotate gleaned

Transverse-draw scapula medially (abducts)

Ascending-draw scapula medially downward

Together-steadyscapula on thorax

11

Lat attachments

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

Lat innervation

Throacodorsal nerve

13

thoracodorsal nerve verts

C6 to C8

14

Lat actions

Internally rotate, adduct, and extend upper limb

Cough muscle

15

Levator scapulae attachements

origin-tranverse process of c1-c4
Ends-super angle of scapula

16

Levato scapulae innervation

dorsal scauplar nerve

17

Dorsal scapular nerve verts.

C4-C5

18

Levator scpaulae action

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

19

Rhomboid minor attachments

Origin-spinous process of c6-7
End-medial border of scapula above (minor) and below (major) scapular spine

20

Rhomboid minor/makjor innervation

dorsal scapular nerve

21

Rhomboid major attachments

origin-spinous process of t1-t4 vertebrae
end-medial border of spacial above (minor) and below (major) scapular spine

22

Trees major attachments

origen-inferior proceso of scapula

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

23

Teres major innervation

Lower suscapular nerve

24

lower suubscapular nerve verts.

c5-c7

25

trees major actions

internal rotation, adduction, extension

26

Transverse cervical artery

Blood to trap

27

CNXI and tranverse cervical artery orientation

CNXI is medial

Artery/accompanying vein are lateral

Artery is usually on top of CNXI

28

Rhomboid actions

Steady scapula

Draw medially and upward