39. Suboccipital Region

Question 1

Origin of splenius capitis?

Answer 1

Ligamentum nuchae

C7-T3 spinous processess

Question 2

Insertion of splenius capitis?

Answer 2

Occiptial bone

Mastoid

Question 3

Origin of splenius cervicis?

Answer 3

T3-T6 spinous processes

Question 4

Insertion of splenius cervicis?

Answer 4

C1-C2 transverse processes

Question 5

Innervation of splenius capitis and cervicis?

Answer 5

Posterior rami C1-C6

Question 6

Action of splenius capitis and cervicis?

Answer 6

Bilateral - extend neck and head

Unilateral - flexes and rotates to the same side

Question 7

Origin of semispinalis capitis?

Answer 7

C4-T7 transverse processes

Question 8

Insertion of semispinalis capitis?

Answer 8

Occipital bone

Question 9

Action of semispinalis capitis?

Answer 9

Both - extend cervical spine

One - bend to same side and rotate to opposite side

Question 10

Origin of longissimus capitis?

Answer 10

T1-T3 and C4-C7 transverse processes

Question 11

Insertion of longissimus capitis?

Answer 11

Mastoid processes

Question 12

Action of longissimus capitis?

Answer 12

Both - extends head

One - flexes and rotates head to same side

Question 13

Innervation of longissimus capitis?

Answer 13

Posterior rami

Question 14

What are the suboccipital muscles? (4)

Answer 14

Rectus capitis posterior minor
Rectus capitis posterior major
Obliquus capitis superior
Obliquus capitis inferior

Question 15

Attachments of rectus capitis posterior minor?

Answer 15

C1 posterior tubercle to inferior nuchal line

Question 16

Attachments of rectus capitis posterior major?

Answer 16

C2 spinous processes to inferior nuchal line

Question 17

Action of rectus capitis major and minor?

Answer 17

Both - extend head

One - rotate to same side

Question 18

Innervation of rectus capitis major and minor?

Answer 18

Suboccipital nerve (posterior rami of C1)

Question 19

Attachments of obliquus capitis superior?

Answer 19

C1 transverse processes to occipital bone

Question 20

Attachments of obliquus capitis inferior?

Answer 20

C2 Spinous processes to C1 transverse processes

Question 21

Innveration of obliquus capitis sup and inf?

Answer 21

Suboccipital nerve (post rami C1)

Question 22

Nerve supply of suboccipital region? (3)

Answer 22

Suboccipital (C1)
Greater occipital (C2)
Least occipital (C3)

Question 23

From which artery does the occipital artery branch?

Answer 23

ECA

Question 24

From which artery does the vertebral artery branch?

Answer 24

Subclavian

Question 25

Via which foramen do the vertebral arteries ascend neck?

Answer 25

Foramen transversarium of cervical vertebrae then foramen magnum

Question 26

What do the R and L vertebral arteries unite to form?

Answer 26

Basilar artery

Question 27

With which nerve do the occipital veins run?

Answer 27

Suboccipital nerve

Question 28

What do the occipital veins join to form?

Answer 28

Deep cervical viein

Question 29

Until which vertebral level do the vertebral veins run?

Answer 29

C6 (here they leave foramen transversarium to join bracheocephalic vein)

Question 30

**LEARN THE LIGAMENTS OF THE NECK**

Answer 30

Slide 17

Question 31

What type of joint are the facet joints?

Answer 31

Plane synovial

Question 32

What type of joint are between the vertebral bodies?

Answer 32

Secondary cartilagenous