Errector Spinae

Question 1

Splenius Capitis

Origin

Answer 1

Ligamentum nuchae

SP C7-T3

Question 2

Splenius Capitis

Insertion

Answer 2

Lateral 1/3rd superior nuchal line

Mastoid process

Question 3

Splenius Capitis

Innervation

Answer 3

Dorsal rami in the area

Question 4

Splenius Capitis

Action

Answer 4

Bilateral: Head extension
Unilateral: Ipsilateral lateral flexion and rotation

Question 5

Splenius Cervicis

Origin

Answer 5

SP T3-T6

Question 6

Splenius Cervicis

Insertion

Answer 6

TP C1-C3

Question 7

Splenius Cervicis

Innervation

Answer 7

Dorsal Rami in the area

Question 8

Splenius Cervicis

Action

Answer 8

Bilateral: Neck extension
Unilateral: Ipsilateral lateral flexion and rotation

Question 9

Iliocostalis Lumborum

Origin

Answer 9

Common tendon of the erector spinal muscles

Iliac crest

Question 10

Iliocostalis Lomborum

Insertion

Answer 10

Inferior borders of the 6th-12th ribs at the costal angle

Question 11

Iliocostalis Lumborum

Innervation

Answer 11

Dorsal rami in the area

Question 12

Iliocostalis Lumborum

Action

Answer 12

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

Question 13

Iliocostalis Thoracis

Origin

Answer 13

Superior borders of the 6th-12th ribs at the costal angle

Question 14

Iliocostalis Thoracis

Insertion

Answer 14

Inferior borders of the 1st-6th ribs at the costal angle

Question 15

Iliocostalis Thoracis

Innervation

Answer 15

Dorsal rami in the area

Question 16

Iliocostalis Thoracis

Action

Answer 16

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

Question 17

Iliocostalis Cervicis

Origin

Answer 17

3rd-6th ribs at costal angles

Question 18

Iliocostalis Cervicis

Insertion

Answer 18

Posterior tubercles of TP C4-C6

Question 19

Iliocostalis Cervicis

Innervation

Answer 19

Dorsal rami in the area

Question 20

Iliocostalis Cervicis

Action

Answer 20

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

Question 21

Longissimus Thoracis

Origin

Answer 21

Common tendon of the erector spinae muscles

TP accessory processes of L1-L5

Question 22

Longissimus Thoracis

Insertion

Answer 22

TP T1-T12

3rd-12th ribs lateral to the tubercle

Question 23

Longissimus Thoracis

Innervation

Answer 23

Dorsal rami in the area

Question 24

Longissimus Thoracis

Action

Answer 24

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

Question 25

Longissimus Cervicis Origin

Answer 25

TP T1-T5

Question 26

Longissimus Cervicis Insertion

Answer 26

Posterior tubercles TP C2-C6

Question 27

Longissimus Cervicis Innervation

Answer 27

Dorsal rami in the area

Question 28

Longissimus Cervicis Action

Answer 28

Spine: bilateral extension | Unilateral ipsilateral lateral flexion

Question 29

Longissimus Capitis Origin

Answer 29

TP T1-T5 | Articular processes C4-C7

Question 30

Longissimus Capitis Insertion

Answer 30

Mastoid process

Question 31

Longissimus Capitis Innervation

Answer 31

Dorsal rami in the area

Question 32

Longissimus Capitis Action

Answer 32

Head: Extension | Unilateral ipsilateral lateral flexion

Question 33

Spinalis Thoracis Origin

Answer 33

SP T11-L2

Question 34

Spinalis Thoracis Insertion

Answer 34

SP upper Thoracic T1-T4

Question 35

Spinalis Thoracis Innervation

Answer 35

Dorsal rami in the area

Question 36

Spinalis Thoracis Action

Answer 36

Spine: extension

Question 37

Spinalis Cervicis Origin

Answer 37

SP upper thoracic T1-T6

Question 38

Spinalis Cervicis Insertion

Answer 38

SP upper cervical C2-C4

Question 39

Spinalis Cervicis Innervation

Answer 39

Dorsal rami in the area

Question 40

Spinalis Cervicis Action

Answer 40

Spine: extension

Question 41

Spinalis Capitis Origin

Answer 41

SP C7-T1

Question 42

Spinalis Capitis Insertion

Answer 42

Between superior and inferior nuchal lines

Question 43

Spinalis Capitis Innervation

Answer 43

Dorsal rami in the area

Question 44

Spinalis Capitis Action

Answer 44

Head extension