2.1 Deep Back

Question 1

Number of vertebrae and sections

Answer 1

33 vertebrae7 cervical12 thoracic5 lumbar5 sacral4 coccygeal

Question 2

Period when cervical vertebrae becomes convex

Answer 2

4th to 5th month when the baby gains control of his head

Question 3

Period when the lumbar area becomes convex

Answer 3

1 year when the baby begins to walk

Question 4

Main mass of the bone; also the weight-bearing structure

Answer 4

Vertebral body

Question 5

Identify and classify the intervening disks between vertebrae

Answer 5

Intervertebral discsSymphyses: fibrocartilaginous joints

Question 6

Cartilage that covers the superior and inferior surfaces of the vertebral body

Answer 6

Hyaline cartilage

Question 7

Process of the vertebrae which act on rotation, and maintains extended position of back

Answer 7

Transverse processes

Question 8

Serve as shock absorbers

Answer 8

intervertebral discs

Question 9

Parts of the intervertebral discs and corresponding description

Answer 9

Annulus fibrosus: multiple layers of fibrous cartilage in different directions like a tireNucleus pulposus: gel for shock absorbance

Question 10

Where spinal nerves exit, blood supply enters and where venous structures enter and exit

Answer 10

Intervertebral foramen

Question 11

Synovial joint formed by the inferior and superior articular processes; also, classify the joint

Answer 11

Zygopophysial joint; gliding joint

Question 12

Smallest among 24 movable vertebrae

Answer 12

Cervical vertebrae

Question 13

Describe the cervical vertebrae

Answer 13

Large and triangular foramenSmall and wide vertebral bodyNearly horizontal articulation of articular facets

Question 14

Also known as the atlasWidest of the cervical vertebraeYES bone

Answer 14

C1 vertebrae

Question 15

NO bone;Also known as the axis

Answer 15

C2 vertebrae

Question 16

Describe the thoracic vertebrae

Answer 16

heart-shaped bodycircular and smaller vertebral foramenoverlapping spinous process which allows body to bend backaction is mainly rotationWith demifacet

Question 17

Describe T12

Answer 17

one costal facetbody is cubical, so it’s prone to fracture

Question 18

Describe lumbar vertebrae

Answer 18

Massive body, kidney-shapedTriangular vertebral foramenLong and slender transverse processHatchet-shaped spinous processesFlexion, extension, and lateral flexion

Question 19

processes of the lumbar vertebrae which provides attachment to multifidus and intertransversarii

Answer 19

Mamillary processess

Question 20

Process of the lumbar vertebrae which provide attachment to intertransversarii muscles

Answer 20

Accessory processes

Question 21

Largest of all movable vertbraeCarries the weight of the whole upper body

Answer 21

L5

Question 22

Level where spinal cord ends

Answer 22

L1-L2

Question 23

Ligament which encompasses almost hte entire anterior surface of the vertebral columnAttaches the base of the skull to sacral curvature

Answer 23

Anterior longitudinal ligament

Question 24

Function of the anterior longitudinal ligament

Answer 24

Limits overextension

Question 25

Ligament within the vertebral canal;Contains nociceptive endings

Answer 25

Posterior longitudinal ligament

Question 26

Action of the posterior longitudinal ligament

Answer 26

Weakly resists hyperflexionHelps prevent herniation of the nucleus pulposus

Question 27

Ligament which attaches one lamina to anotherHelps preserve normal curvatures of vertebral columnAssists with straightening of column after flexing

Answer 27

Ligamentum Flavum

Question 28

Ligament from skull to C7

Answer 28

Ligamentum Nuchae

Question 29

Action of the serratus posterior muscles

Answer 29

In respiration/labored breathing, and proprioception

Question 30

Action of the errectors spinae (ILS)

Answer 30

Chief extensor of the vertebral column

Question 31

Strongest cervical vertebrae

Answer 31

C2

Question 32

Arterial supply of the cervical region

Answer 32

Occiptial, vertebral, and deep cervical arteries

Question 33

Arterial supply of the thoracic region

Answer 33

Posterior intercostal

Question 34

Arterial supply of the lumbar region

Answer 34

Subcostal and lumbar

Question 35

Arterial supply of the sacral region

Answer 35

iliolumbar and lateral sacral artery

Question 36

General nerve supply of the deep back

Answer 36

Posterior rami

Question 37

Provide innervation to the ligamentum flavum

Answer 37

Recurrent meningeal nerve

Question 38

Lymphatic drainage of the skin of the neck

Answer 38

Cervical nodes

Question 39

Lymphatic drainage above the ilac crests

Answer 39

Axillary nodes

Question 40

Lymphatic drainage of the structures below the level of the iliac crests

Answer 40

Superficial inguinal nodes