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Flashcards in Back Deck (50):
1

First layer of back muscles

Trapezius, Latissimus Dorsi

2

Second layer of back muscles

Levator scapula, R major, minor

3

Third layer of back muscles

Serratus post superior,
Serratus posterior inferior

4

Fourth layer of back muscles (deep):

splenius capitis
splenius cervicis

5

Fifth layer of back muscles (Deep)

iliocostalis
longissimus
spinalis

6

Sixth layer of back muscles (deep)

semispinalis
multifidus
rotatores

7

Serratus posterior superior attachments:

deep of rhomboids
spinous process of C7-T3

8

Serratus posterior superior action:

elevation of ribs, intercostal nerves

9

Serratus posterior inferior attachments:

deep to lats
spinous process of T11-L2

10

Serratus posterior inferior action:

depression of ribs

11

Splenius capitis attachments:

C7-T3
lateral occipital bone and mastoid process

12

Splenius capitis action:

extend and rotate

13

splenius cervicis attachments

spine of T3-T6
C1-C3

14

Splenius cervicis action:

extend and rotate to the same side

15

Splenius cervicis innervation

middle and lower cervical nerves

16

Splenius capitis innervation

middle and lower cervical nerces

17

Erector Spinae muscles

1. Iliocostalis
2. Longissimus
3. Spinalis

18

Iliocostalis attachments:

sacrum, iliac crest and transverse processes of C4-C6

19

Iliocostalis innervation:

dorsal rami of spinal nerve

20

Iliocostalis action:

extension, ipsilateral rotation
fixed: elevation of pelvis
contralateral rotation

21

Longissimus attachment

sacrum, iliac crest, transverse processes of L1-T5
ribs and mastoid process

22

Longissimus innervation

doral rami of spinal nerve

23

Longissimus action

extension, ipsilateral rotation fixed: elevation of pelvis and contralateral rotation

24

Spinalis attachments

spinous process of lower to higher and nuchal line

25

Spinalis action

extension, ipilateral rotation
fixed: elevation of pelvis, contralateral rotation

26

Semispinalis attachments:

transverse to spinous process and occipital bone

27

Semispinal innervation

dorsal rami of corresponding spinal nerve

28

Semispinal action

extension and contralateral rotation

29

Mulifidus attachments

scarum, transverse process to spinous process (higher)

30

Multifidus innervation

dorsal rami or corresponding nerves

31

Multifidus action

extension, contralateral rotation
fixed: elevation of pelvis, ipsilateral rotation

32

Rotatores attachment

transverse process to lamina 1-2 levels superiorly

33

Small deep muscles

interspinous
intertransverse
levator costalis

34

Rectus abdominis attachments

crest of pubis, costal cartilage of 5,6,7 ribs

35

Multifidus action

contralateral rotation

36

Rectus abdominus action

trunk flexion in supine position, compression
posterior tilt

37

rectus abdominus innervation

7-12 intercostal nerve

38

Internal oblique attachments

O: inguinal ligament, iliac crest
I: 1-12 ribs abdominl aponeurosis

39

Muscles of abdomen

serratus anterior
rectus abdomins
internal oblique
transverse abdominus (Deep)

40

Internal oblique innveration

8-12 intercostal nerve

41

Internal oblique action

flexion, lateral flexion, rotation to the same side

42

External oblique muscle attachments:

O: lower 8 ribs
I: iliac crest and linea alba

43

External oblique innervation

8-12 intercostal nerve

44

External oblique action:

flexion, contralateral rotation

45

Transverse abdominus attachment:

O: inguinal ligament last 6 ribs
I: abdominal aponeurosis

46

Transverse abdominus innervation:

7-12 nerves

47

Transverse abdominus action:

compression, stabilizes abdominal contents

48

Quadratus lumborum attachment

O:iliac crest
I: 12th rib, transverse process of L2-L5

49

Quadratus lumborum innveration:

12th thoracic and 1st lumbar

50

Quadratus lumborum action

trunk bending to the side (extension)
lateral flexion