Final: Chapter 12

Question 1

Pairs of spinal nerves

Answer 1

31

Question 2

Number of vertebrae in each section of spine

Answer 2

7 cervical (neck) vertebrae
12 thoracic (chest) vertebrae
5 lumbar (lower back) vertebrae
5 sacrum (posterior pelvic girdle) vertebrae
4 coccyx (tail bone) vertebrae

Question 3

3 curves of spine

Answer 3

Thoracic spine curves anteriorly (kyphotic)

Cervical & lumbar spine curve posteriorly (lordotic)

Question 4

First 2 cervical vertebrae

Answer 4

atlas, axis

Question 5

Which artery goes through Transverse vertebrae

Answer 5

Vertebral

Question 6

Atlantooccipital joint

Answer 6

first joint - allows you to nod

Question 7

Layers of Intervertebral discs

Answer 7

• Outer layer is annulus fibrosus

Nucleus pulposus- inner layer

Question 8

Herniation

Answer 8

happens in flexion with rotation.

nucleus pulposus slips out of annulus

Question 9

Protrusion

Answer 9

pressure on spinal nerve root

Question 10

3 parts to rector spinae

Answer 10

Largest muscle
extends on each side of spinal column
Spinalis, longissimus and iliocostalis

Question 11

Core neck muscles

Answer 11

longus colli

Question 12

Sternocleidomastoid:

Answer 12

O: calvicle and manubrium 
I: mastoid pro
N: CN XI and C2, C3
A: unilateral: side flexion to same and rotate to opposite* 
Bilateral: flex neck *

Question 13

Splenius Capitis:

Answer 13

O: ligamentum nuchae, C7-T4
I: mastoid process, occipital bone
N: C4-8
A: unilateral: side flexion/ rotation same side. Bilateral: extension neck

Question 14

Splenuis Cervicis:

Answer 14

O: sp. Process T3-6
I: transverse process C1-C3
N: C4-8
A: unilateral: side flexion/ rotation same side. Bilateral: extension neck

Question 15

Rectus Abdominis:

Answer 15

O: crest of pubis
I: cartilage of 5th-7th ribs, xiphoid process
N: intercostal nerves T7-T12
A: flexion of trunk

Question 16

External Oblique:

Answer 16

O: lower 8 ribs
I: anterior half of illium, inguinal lig, crest of pubis
N: intercostal T8-T 12, Iliohypogastric, ilioingguinal
A: unilateral side flex same side and rotate opposite side ( bicycle floor exercise)

Question 17

Internal Oblique:

Answer 17

O: inguinal lig, anterio 2/3 illium, lumbar fascia
I: costal cart of 8-10 ribs, linea alba
N: intercostal T8-T 12, Iliohypogastric, ilioingguinal
A: unilateral side flex same side and rotate same side
Bilateral: flex

Question 18

Transverse Abdominis:

Answer 18

O: inguinal lig, iliac crest, cartilage of lower 6 ribs, lumbar fascia
I: crest of pubis, linea alba
N:intercostal T8-T 12, Iliohypogastric, ilioingguinal
A: pulls umbilicus towards spine

Question 19

Quadratus Lumborum:

Answer 19

O: post iliac crest
I: 12 rib, transverse process L1-L4
N: T12- L1
A: unilateral: side flexion same side. Bilateral: stabilizes spine

Question 20

The innervation of the ext. onliques, internal obliques and trans abs is :

Answer 20

intercoastal nerves, Iliohypogastric, ilioingguinal

Question 21

C4-C8 innervates

Answer 21

Splenius muscles

Question 22

Cranial nerve #11:

Answer 22

Sternocleidomastoid

Question 23

Anterior muscles that move head

Answer 23

Rectus capitis anterior

Longus capitis

Question 24

Posterior muscles that move head

Answer 24

Splenius capitis

Trapezius, superior fibers