Flashcards in PPT 1 - Spine Deck (67)
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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
