Back

Question 1

First layer of back muscles

Answer 1

Trapezius, Latissimus Dorsi

Question 2

Second layer of back muscles

Answer 2

Levator scapula, R major, minor

Question 3

Third layer of back muscles

Answer 3

Serratus post superior,

Serratus posterior inferior

Question 4

Fourth layer of back muscles (deep):

Answer 4

splenius capitis

splenius cervicis

Question 5

Fifth layer of back muscles (Deep)

Answer 5

iliocostalis
longissimus
spinalis

Question 6

Sixth layer of back muscles (deep)

Answer 6

semispinalis
multifidus
rotatores

Question 7

Serratus posterior superior attachments:

Answer 7

deep of rhomboids

spinous process of C7-T3

Question 8

Serratus posterior superior action:

Answer 8

elevation of ribs, intercostal nerves

Question 9

Serratus posterior inferior attachments:

Answer 9

deep to lats

spinous process of T11-L2

Question 10

Serratus posterior inferior action:

Answer 10

depression of ribs

Question 11

Splenius capitis attachments:

Answer 11

C7-T3

lateral occipital bone and mastoid process

Question 12

Splenius capitis action:

Answer 12

extend and rotate

Question 13

splenius cervicis attachments

Answer 13

spine of T3-T6

C1-C3

Question 14

Splenius cervicis action:

Answer 14

extend and rotate to the same side

Question 15

Splenius cervicis innervation

Answer 15

middle and lower cervical nerves

Question 16

Splenius capitis innervation

Answer 16

middle and lower cervical nerces

Question 17

Erector Spinae muscles

Answer 17

1. Iliocostalis
2. Longissimus
3. Spinalis

Question 18

Iliocostalis attachments:

Answer 18

sacrum, iliac crest and transverse processes of C4-C6

Question 19

Iliocostalis innervation:

Answer 19

dorsal rami of spinal nerve

Question 20

Iliocostalis action:

Answer 20

extension, ipsilateral rotation
fixed: elevation of pelvis
contralateral rotation

Question 21

Longissimus attachment

Answer 21

sacrum, iliac crest, transverse processes of L1-T5

ribs and mastoid process

Question 22

Longissimus innervation

Answer 22

doral rami of spinal nerve

Question 23

Longissimus action

Answer 23

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

Question 24

Spinalis attachments

Answer 24

spinous process of lower to higher and nuchal line

Question 25

Spinalis action

Answer 25

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

Question 26

Semispinalis attachments:

Answer 26

transverse to spinous process and occipital bone

Question 27

Semispinal innervation

Answer 27

dorsal rami of corresponding spinal nerve

Question 28

Semispinal action

Answer 28

extension and contralateral rotation

Question 29

Mulifidus attachments

Answer 29

scarum, transverse process to spinous process (higher)

Question 30

Multifidus innervation

Answer 30

dorsal rami or corresponding nerves

Question 31

Multifidus action

Answer 31

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

Question 32

Rotatores attachment

Answer 32

transverse process to lamina 1-2 levels superiorly

Question 33

Small deep muscles

Answer 33

interspinous intertransverse levator costalis

Question 34

Rectus abdominis attachments

Answer 34

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

Question 35

Multifidus action

Answer 35

contralateral rotation

Question 36

Rectus abdominus action

Answer 36

trunk flexion in supine position, compression | posterior tilt

Question 37

rectus abdominus innervation

Answer 37

7-12 intercostal nerve

Question 38

Internal oblique attachments

Answer 38

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

Question 39

Muscles of abdomen

Answer 39

``` serratus anterior rectus abdomins internal oblique transverse abdominus (Deep) ```

Question 40

Internal oblique innveration

Answer 40

8-12 intercostal nerve

Question 41

Internal oblique action

Answer 41

flexion, lateral flexion, rotation to the same side

Question 42

External oblique muscle attachments:

Answer 42

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

Question 43

External oblique innervation

Answer 43

8-12 intercostal nerve

Question 44

External oblique action:

Answer 44

flexion, contralateral rotation

Question 45

Transverse abdominus attachment:

Answer 45

O: inguinal ligament last 6 ribs I: abdominal aponeurosis

Question 46

Transverse abdominus innervation:

Answer 46

7-12 nerves

Question 47

Transverse abdominus action:

Answer 47

compression, stabilizes abdominal contents

Question 48

Quadratus lumborum attachment

Answer 48

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

Question 49

Quadratus lumborum innveration:

Answer 49

12th thoracic and 1st lumbar

Question 50

Quadratus lumborum action

Answer 50

trunk bending to the side (extension) | lateral flexion