PPT 1 - Spine Flashcards Preview

Spinal Anatomy > PPT 1 - Spine > Flashcards

Flashcards in PPT 1 - Spine Deck (67)
Loading flashcards...
1

Spinal Column AKA...

Vertebral Column
Central Axis
Back Bone

2

Spinal Column consists of ___ parts

3

Spine
Sacrum
Coccyx

3

A Child 8 years or less has ___ segments

33

24 spine (same as adult)
5 sacrum (not fused)123rd
4 coccyx (not fused)

4

An adult has ___ segments

26

24 spinal
1 sacrum
1 coccyx

5

First 3 Sacrum Segments Fuse when?

Between the ages of 9-11 (late childhood)

6

Lower 3 sacrum segments fuse together when?

18-20 (early adulthood)

7

Coccyx Fuses when?

One segment ossified every 5 years and becomes one bone between 25-30yo

8

Cervical spine consists of ____ individual segments

7

It is the upper segment of the spine

9

Thoracic spine has ____ individual segments

12

It is the middle section of the spine

10

The Lumbar Spine consists of _____ individual segments

5

Lower segment of the back

11

Average length of the adult male spine

28 inches

12

Average length of the female adult spine

25 inches

13

The discs are ______% of the height of the vertebral column

25%

Discs - cushion between the discs

14

Spinal Column segments are divided into two types. They are...

True segments &
False segments

15

True Segments are defined as...

Segments that are freely movable in an adult

16

False Segments are describes as...

Segments that are not freely moveable in an adult spine

17

Segments that are true are...

The 24 segments of the spine (thoracic, cervical, and lumbar)

18

Segments that are false are...

The sacrum and the coccyx

19

Typical characteristics of cervical vertebra

-2 heads on the spinous process
-holes in the transverse process (TVP)
-shapes like an oval or rectangle

20

The spine has the following ranges of motion...

Flexion, extension, rotation, and lateral flexion

21

Characteristics of a typical thoracic vertebra

-costal facet (indentations)on transverse process (TVP)
-demifacets(indentations where the ribs connect)
-heart shaped

22

Characteristics of the lumbar vertebra

-4 facet joints
-kidney shaped

23

A typical spinal vertebra is divided into 2 basic parts. They are...

1. Anterior (the vertebral body)
2. Posterior (vertebral arch, posterior arch, dorsal arch, neural arch, and spinal arch)

24

The arch of a vertebra is made up of...

2 Pedicles (vertical)
2 Laminae (horizontal)

25

The purpose of the arch is to...

Support the 7 processes
(1 spinous, 2 transverse, 4 articulation process)

26

The anterior vertebral arch is comprised of...

Vertebral body

27

The posterior vertebral arch is comprised of...

Pedicles, Latina, and processes

28

Vertebral foremen, when stacked together form the...

Vertebral canal

29

What is the purpose of the vertebral foramen?

It allows the spinal cord to run through the spine

30

What is the largest part of the vertebra?

The vertebral body