Axial Skeleton: Vertebral Column

Question 1

Palpable skeletal landmarks

Answer 1

C7, T3 , T7, T12, L4

Question 2

Total across craniocervical region

Answer 2

Flexion: 45-50
Extension: 85

Axial rotation: 90
Lateral flexion: 40

Question 3

Range of motions in cervical spine (4)

Answer 3

Flexion, lateral flexion, extension, axial rotation

Question 4

What is the main blood supply or the brain

Answer 4

Basil artery

Question 5

Flexion and extension of the thoracic region

Answer 5

Relatively limited due to ribs, articular & spinous processes

Question 6

Flexion and extension of the lumbar region

Answer 6

Relatively free
Greatest at lumbosacral L5-S1
Least at thoracolumbar junction T12-L1

Question 7

Lateral flexion/ bending in thoracic region

Answer 7

Limited by articular processes and ligaments

Question 8

Lateral flexion/ bending of the lumbar region

Answer 8

Minimal due to articular process

Question 9

What rotation is important for human bipedal locomotion

Answer 9

Axial rotation

Question 10

What are the principal roles of vertebral column

Answer 10

1. Protect spinal cord

2. Transfer loads

Question 11

Functions of intervertebral disk

Answer 11

1. Cushion between the vertebrae

2. Help transfer load

Question 12

What curvature is in the cervical and lumbar regions

Answer 12

Concave, secondary

Question 13

What curvature is in the thoracic and sacral regions

Answer 13

Convex, primary

Question 14

Human Spine=

Answer 14

adaptation for bidpedalism

Question 15

Regions of the vertebral column

Answer 15

cervical, thoracic, lumbar, sacral

Question 16

At birth curvature

Answer 16

C shaped- convex

Question 17

first months of infant curvature

Answer 17

neck cervical curve

Question 18

6 months- 1yr curvature

Answer 18

lower back/ lumbar curve

Question 19

C7

Answer 19

spinous process, can be palpable