Deep Back Muscles

Question 1

Serratus Posterior Superior

(attachment)

Answer 1

• Nuchal ligament
• Spinous processes of the cervical and thoracic vertebrae

AND

-upper limbs

Question 2

Serratus Posterior Superior

(innervation)

Answer 2

Upper Intercostal nerves (T2-T5)

Question 3

Serratus Posterior Superior

(action)

Answer 3

Elevates ribs

Question 4

Serratus Posterior Inferior

(attachment)

Answer 4

Spinous processes of thoracic and lumbar vertebrae

AND

lower ribs

Question 5

Serratus Posterior Inferior

(innervation)

Answer 5

Lower Intercostal nerves (T9-T11)

AND

Subcostal nerve (T12)

Question 6

Serratus Posterior Inferior

(action)

Answer 6

Depresses ribs

Question 7

Splenius capitis

(attachment)

Answer 7

• nuchal ligament
• spinous processes of cervical and thoracic vertebrae

AND

-mastoid process

Question 8

Splenius capitis

(innervation)

Answer 8

Posterior Rami of cervical spinal nerves (C1-C8)

Question 9

Splenius capitis

(action)

Answer 9

Unilaterally:

Laterally Bends and Rotates head and neck

Bilaterally:

Extends head and neck

Question 10

Splenius cervicis

(attachment)

Answer 10

Spinous processes of thoracic vertebrae

AND

Transverse processes of cervical vertebrae

Question 11

Splenius cervicis

(innervation)

Answer 11

Posterior Rami of cervical spinal nerves (C1-C8)

Question 12

Splenius cervicis

(action)

Answer 12

Unilaterally:

Laterally bends and rotates head and neck

Bilaterally:

Extends head and neck

Question 13

Spinalis

(innervation)

Answer 13

Posterior rami of cervical, thoracic, and lumbar spinal nerves (C1-L5)

Question 14

Spinalis

(action)

Answer 14

Unilaterally:

Laterally bends vertebral column

Bilaterally:

Extends vertebral column

Question 15

Longissimus

(attachment)

Answer 15

• Iliac crest
• Posterior surface of sacrum
• Spinous processes of lumbra vertebrae

AND

• Ribs between tubercle and angle
• Transverse processes of cervical vertebrae
• Mastoid process

Question 16

Longissimus

(innervation)

Answer 16

Posterior rami of cervical, thoracic, and lumbar nerves (C1-L5)

Question 17

Longissimus

(action)

Answer 17

Unilaterally:

Laterally bends the vertebral column

Bilaterally:

Extends vertebral column

Question 18

Iliocostalis

(attachment)

Answer 18

• Iliac crest
• Posterior surface of sacrum

AND

• Angles of ribs
• Transverse processes of cervical vertebrae

Question 19

Iliocostalis

(innervation)

Answer 19

Posterior rami of cervical, thoracic, and lumbar nerves

(C1-L5)

Question 20

Iliocostalis

(action)

Answer 20

Unilaterally:
Laterally bends vertebral column

Bilaterally:

Extends vertebral column

Question 21

Semispinalis

(attachment)

Answer 21

Transverse processes of cervical and thoracic vertebrae

AND

capitis: occipital bone b/n sup and inf nuchal lines
cervicis: spinous processes of cervical vertebrae
thoracis: spinous processes of thoracic vertebrae

Question 22

Semispinalis

(innervation)

Answer 22

Posterior rami of cervical and thoracic spinal nerves

(C1-T12)

Question 23

Semispinalis

(action)

Answer 23

Unilaterally:

rotates head and vertebral column

Bilaterally:

extend head and vertebral column

Question 24

Multifidus

(attachment)

Answer 24

Posterior sacrum, posterior superior iliac spine, mammillary processes of lumbar vertebrae, transverse processes of thoracic vertebrae, and articular processes of cervical vertebrae

AND

spinous processes of all vertebrae

Question 25

Multifidus (innervation)

Answer 25

Posterior rami of spinal nerves (C1-L5)

Question 26

Multifidus (action)

Answer 26

Extend and rotate vertebral column

Question 27

Rotatores (attachment)

Answer 27

-Transverse processes of all vertebrae AND -Lamina of all vertebrae

Question 28

Rotatores (innervation)

Answer 28

Posterior rami of all spinal nerves (C1-L5)

Question 29

Rotatores (action)

Answer 29

extend and rotate vertebral column

Question 30

Interspinales (attachment)

Answer 30

Spinous processes of all vertebrae AND Spinous processes of all vertebrae

Question 31

Interspinales (innervation)

Answer 31

Posterior rami of all spinal nerves (C1-L5)

Question 32

Interspinales | (action)

Answer 32

extend vertebral column

Question 33

Intertransversarii (attachment)

Answer 33

Transverse processes of all vertebrae AND Transverse processes of all vertebrae

Question 34

Intertransversarii (innervation)

Answer 34

Posterior and anterior rami of all spinal nerves (C1-L5)

Question 35

Intertransversarii (action)

Answer 35

Lateral flexion of vertebral column

Question 36

Levatores costarum (attachment)

Answer 36

Transverse processes of C7 and thoracic vertebrae AND Ribs between tubercle and angle

Question 37

Levatores costarum (innervation)

Answer 37

Posterior rami of C8-T11 spinal nerves

Question 38

Levatores costarum (action)

Answer 38

- Elevates ribs - Lateral flexion of vertebral column

Question 39

Obliquus capitis superior (attachment)

Answer 39

Transverse process of atlas AND Occipital bone b/n sup and inf nuchal lines

Question 40

Obliquus capitis superior (innervation)

Answer 40

Suboccipital nerve (posterior rami of C1)

Question 41

Obliquus capitis superior (action)

Answer 41

Extends head

Question 42

Obliquus capitis inferior (attachment)

Answer 42

Spinous process of axis AND Transverse process of atlas

Question 43

Obliquus capitis inferior (innervation)

Answer 43

Suboccipital nerve (posterior rami of C1)

Question 44

Obliquus capitis inferior (action)

Answer 44

Rotates head

Question 45

Rectus capitis posterior major | (attachment)

Answer 45

Spinous processes of axis AND Inferior nuchal line

Question 46

Rectus capitis posterior major (innervation)

Answer 46

Suboccipital nerve (posterior rami of C1)

Question 47

Rectus capitis posterior major (action)

Answer 47

Extends head

Question 48

Rectus capitis posterior minor (attachment)

Answer 48

Posterior tubercle of atlas AND Inferior nuchal line

Question 49

Rectus capitis posterior minor (innervation)

Answer 49

Suboccipital nerve (posterior rami of C1)

Question 50

Rectus capitis posterior minor (action)

Answer 50

Extends head

Question 51

Spinalis | (attachment)

Answer 51

Spinous processes of thoracic and lumbar vertebrae AND Spinous processes of cervical and thoracic vertebrae