superficial and intermediate layers of intrinsic back muscles

Question 0

splenius capitis insertion

Answer 0

mastoid process of temporal bone

lateral 1/3 of superior nuchal line of occipital bone

Question 1

splenius origin

Answer 1

nuchal ligament

spinous processes of C7-T6

Question 2

splenius cervices insertion

Answer 2

tubercles of transverse processes of C1-C3 or C4

Question 3

splenius innervation

Answer 3

posterior rami of spinal nerves

Question 4

splenius action

Answer 4

alone: laterally flex neck and rotate head to side
together: extend head and neck

Question 5

erector spinae parts

Answer 5

iliocostalis
longissimus
spinalis

Question 6

erector spinae origin

Answer 6

broad tendon from posterior part of the iliac crest
posterior surface of the sacrum
sacro-iliac ligaments
sacral and inferior lumbar spinous processes
supraspinous ligament

Question 7

iliocostalis parts

Answer 7

lumborum
thoracis
cervicis

Question 8

iliocostalis lumborum, thoracis, and cervicis insertion

Answer 8

fibers run superiorly to angles of lower ribs and cervical transverse processes

Question 9

longissimus parts

Answer 9

thoracis cervices capitis

Question 10

longissimus insertion

Answer 10

fibers run superiorly to ribs between tubercles and angles of transverse processes in thoracic and cervical regions and to mastoid process of temporal bone

Question 11

spinalis parts

Answer 11

thoracis cervices and capitis

Question 12

spinalis insertion

Answer 12

fibers run superiorly to spinous processes in upper thoracic region and to cranium

Question 13

erector spinae innervation

Answer 13

posterior rami of spinal nerves

Question 14

erector spinae action

Answer 14

bilaterally: extend vertebral column and head, back is flexed control length of movement
unilaterally: laterally flex vertebral column

Question 15

rectus capitits posterior major origin

Answer 15

spinous processes of C2

Question 16

rectus capitis posterior major insertion

Answer 16

lateral part of the inferior nuchal line of occipital bone

Question 17

rectus capitis posterior minor origin

Answer 17

posterior tubercle on posterior arch of C1

Question 18

rectus capitis posterior minor insertion

Answer 18

medial 1/3 of inferior nuchal line

Question 19

obliques capitis inferior origin

Answer 19

spinous process of C2

Question 20

obliques capitis inferior insertion

Answer 20

transverse process of C1

Question 21

obliques capitis superior origin

Answer 21

transverse process of C1

Question 22

obliques capitis superior insertion

Answer 22

occipital bone between inferior and superior nuchal line

Question 23

semispinalis parts

Answer 23

thoracis cervices capitis

Question 24

semispinalis origin

Answer 24

transverse processes of C4 to T10 vertabrae

Question 25

semispinalis insertion

Answer 25

occipital bone | spinous processes of thoracic and cervical regions

Question 26

multifidus origin

Answer 26

``` posterior sacrum posterior superior iliac spine aponeurosis of erector spinae sacro illiac ligaments mammillary processes of lumbar vertabrae transverse processes of thoracic vertabrae articular processes of C4-C7 ```

Question 27

multifidus insertion

Answer 27

thickest in the lumbar region | length of spinous process of the vertabrae 2-4 segments above origin

Question 28

rotatores origin

Answer 28

transverse processes of vertebrae especially thoracic

Question 29

rotatores insertion

Answer 29

junction of lamina and transverse process or spinous process of superior vertabrae brevis = vertebrae right above it longus = one or more

Question 30

serratus posterior superior origin

Answer 30

nuchal ligament | spinous processes of C7-T3 vertabrae

Question 31

serratus posterior superior insertion

Answer 31

superior borders of the 2nd - 4th ribs

Question 32

serratus posterior inferior origin

Answer 32

spinous processes of the T11-L2 vertabrae

Question 33

serratus posterior inferior insertion

Answer 33

inferior borders of the 8th- 12th ribs near their angles