Vertebral Column

Question 1

How many bones are in the vertebral column and what are they called?

Answer 1

33

vertebrae

Question 2

What separates the vertebrae?

Answer 2

intervertebral discs

Question 3

How many regions is the vertebral column divided into?

Answer 3

5

Question 4

What are the different regions of the spinal column and how many vertebrae are in each?

Answer 4

Cervical- 7
Thoracic- 12
Lumbar-5
Sacral-5
Coccygeal-4

Question 5

Which regions of the vertebral column are fused?

Answer 5

sacral and coccygeal

Question 6

What are the 4 primary functions of the vertebral column?

Answer 6

1. protect the spinal cord within the spinal canal
2. support the body weight above the pelvis
3. forms a central axis of the body
4. support of both posture and movement

Question 7

What regions of the vertebral column are curved anteriorly and are develop secondary after birth as an infant sits, stands and walks?

Answer 7

cervical and lumbar

Question 8

What regions of the vertebral column are curved posteriorly?

Answer 8

thoracic and sacral

Question 9

What part of the vertebral column are referred to as primary curvatures and why?

Answer 9

thoracic and sacral because a infant’s initial spinal shape is a C

Question 10

Kyphosis

Answer 10

excessive thoracic curvature causing hunchback deformity

Question 11

Lordosis

Answer 11

excessive lumbar curvature causing a swayback deformity

Question 12

Scoliosis

Answer 12

abnormal lateral curvature of the spine

Question 13

What movements of the trunk above the pelvis do the articulations between the vertebrae allow for?

Answer 13

flexion and extension, lateral flexion and rotation

Question 14

The movements of the truck above the pelvis are created by what mouses in the back?

Answer 14

intrinsic muscles of the back (erector spinal muscles) hotly only move the vertebral column but also help maintain appropriate posture.