4. Back Anatomy

Question 1

The vertebral column has _ cervical, _ thoracic, _ lumbar, _ sacral, and _ coccygeal vertebra

Answer 1

7
12
5
5
4

Question 2

What vertebra are involved in flexion/extension, lateral rotation, and rotation of the neck?

Answer 2

Cervical

Question 3

T/F Thoracic is involved with extreme movement

Answer 3

False (limited)

Question 4

Lumbar is involved with _, _, and rotation

Answer 4

extension, flexion

Question 5

Primary curvatures are _ and _

Answer 5

thoracic and sacral

Question 6

Secondary curvatures are _ and _

Answer 6

cervical and lumbar

Question 7

Scoliosis is _ of spine

Answer 7

lateral curvature

Question 8

Curvature of the thoracic vertebra is _

Answer 8

kyphosis

Question 9

Curvature of the lumbar vertebra is _

Answer 9

lordosis

Question 10

Spinal nerves exit through the _

Answer 10

intervertebral foramen

Question 11

What ligament does the spinal cord press up against?

Answer 11

Posterior longitudinal ligament

Question 12

Intervertebral discs are classified as _ and fibrocartilagenous

Answer 12

symphysis

Question 13

T/F Discs are vascular which makes them capable of healing quickly

Answer 13

False (avascular)

Question 14

Superficial back muscles / the brachium

Answer 14

move/stabilize

Question 15

Superficial back muscles are innervated by _ and _

Answer 15

VPRs, CN 11

Question 16

Intermediate back muscles / the _

Answer 16

move/stabilize, ribs

Question 17

Intermediate back muscles are innervated by _

Answer 17

VPRs

Question 18

Deep back muscles / the _

Answer 18

move/stabilize, trunk

Question 19

Deep back muscles are innervated by_

Answer 19

DPRs

Question 20

Origin of trapezius is _, _, and _

Answer 20

external occipital protuberance
spinous processes (C7 to T12)
nuchal ligament

Question 21

Insertion of trapezius is ,, and _

Answer 21

lateral 1/3 of clavicle
medial acromion
spine of scapula

Question 22

Action of trapezius is _, _, and _

Answer 22

elevate scapula
depress scapula
adduct (retract) scapula

Question 23

Innervation of trapezius is _

Answer 23

CN 11

Question 24

Origin of L. Dorsi is _, _, and _

Answer 24

spinous processes (T5-L5)
Thoracolumbar fascia
iliac crest

Question 25

Insertion of L. Dorsi is _

Answer 25

intertubercular groove of humerus

Question 26

Action of L. Dorsi on the humerus is to _, _, and _

Answer 26

extend adduct medially rotate

Question 27

Innervation of L. Dorsi

Answer 27

Thoracodorsal nerve

Question 28

Levator Scapulae has its origin on _

Answer 28

transverse processes (C1 to C4)

Question 29

Insertion of L.S is _

Answer 29

medial scapular border

Question 30

Action of L.S is _

Answer 30

elevate scapula

Question 31

L.S is innervated by _

Answer 31

Dorsal scapular nerve

Question 32

Rhomboid M and Minor originate on _

Answer 32

spinous processes

Question 33

Rhomboid M and Minor insert on _

Answer 33

medial scapular border

Question 34

Rhomboid M and Minor are innervated by _

Answer 34

dorsal scapular nerve

Question 35

Action of Rhomboid M and Minor is _ and _

Answer 35

Adduct (retract) and rotate scapula

Question 36

Serratus PS and PI originate on _

Answer 36

lateral spinous processes

Question 37

Serratus PS and PI insert on _

Answer 37

ribs

Question 38

Action of Serratus PS and PI is to _

Answer 38

assist with respiration

Question 39

Serratus PS and PI are innervated by _

Answer 39

innercostal nerves from VPRs

Question 40

The erector spinae muscles are _, _, and _

Answer 40

Spinalis Longissimus iliocostalis

Question 41

Splenius capitis inserts on _

Answer 41

mastoid process

Question 42

Semispinalis capitis inserts on _

Answer 42

external occipital protuberance