Typical Lumbar Spine L1-L4

Question 1

What is the generic shape of the typical lumber vertebral body from the cranial view?

Answer 1

Reniform/kidney shaped

Question 2

What accounts for the directions of the lumbar curve

Answer 2

The vertebral body and Intervertebral dic have a greater anterior height than posterior height

Question 3

How many joint surfaces are present on the vertebral body of a typical lumbar

Answer 3

Six

Question 4

how many synovial joint surfaces are present on the vertebral body of a typical lumber?

Answer 4

none

Question 5

How many cartilaginous symphysis joint surfaces are on a typical lumber vertebral body

Answer 5

Two

Question 6

How many fibrous syndesmosis joint surfaces are on a typical lumbar vertebral body

Answer 6

Four

Question 7

What muscles may attach to the first lumbar vertebral body

Answer 7

psoas major and psoas minor

Question 8

What muscles may attach from the second down to the fourth lumbar vertebral body

Answer 8

Psoas major

Question 9

Psoas minor will only attach to the vertebral body of which segments

Answer 9

T12, L1

Question 10

What is the name given to ligaments that attach the vertebral body to articular process

Answer 10

Transforaminal ligaments

Question 11

What ligaments attach the vertebral body to the transverse process

Answer 11

corporotransverse ligaments

Question 12

Hofmann ligaments are identified in which regions along the vertebral column

Answer 12

Cervical - Upper thoracic region and lumbar region

Question 13

Cervical - Upper thoracic Hofmann ligaments will attach to what structures together

Answer 13

dura mater to segments above

Question 14

What is the highest level know to demonstrate hofmann ligaments

Answer 14

C6

Question 15

What is the proposed function of the cervical - upper thoracic Hofmann ligaments

Answer 15

Resist caudal movement of the dural sac; resist gravitational forces on the dura and cord

Question 16

Lumber Hofmann ligaments will attach what structures together

Answer 16

Dura mater to lower segmental levels

Question 17

What is the proposed function of the lumbar Hofmann ligaments

Answer 17

Resist cranial movement of the dural sac during flexion

Question 18

What osseous conditions of lumbar vertebra facillitate a spinal tap in this region

Answer 18

There is NO lamina overlap (shingling), Spinous process overlap (Imbrication)

Question 19

What is the name of the elevation near the origin of the lubar transverse process

Answer 19

Accessoty process

Question 20

A styloid process occurs with what frequency and as a result of what condition

Answer 20

7% occurrences as a result of congenital elongation of the lumber accessory process

Question 21

What muscles attach to the lumbar accessory process

Answer 21

Longissimus thoracis

intertransersarii

Question 22

What muscles may attach to the transverse process of a typical lumbar vertebra

Answer 22

psoas major
Quadratus lumborum
longissimus thoracis
rotator brevis
rotator longus
intertransversarii

Question 23

What muscles will attach to lumbar superior articular process

Answer 23

Multifidis and intertransversarii

Question 24

What ligament will attach to the lumbar superior articular process and transverse process

Answer 24

Mammillo-accessory ligament

Question 25

What was believed to be entrapped by the mammilo-accessory ligament

Answer 25

The medial branch of the dorsal ramus of a lumbar spinal nerve

Question 26

What is the joint classification for the typical lumbar zygapophysis

Answer 26

synovial plane (diarthrosis arthrodia

Question 27

How many synovial joints are present on a typical lumbar vertebra

Answer 27

Four

Question 28

What is the position of the lumbar zygapophysis in children

Answer 28

the zygapophysis lies in the coronal plane

Question 29

What is the position of the lumbar zygapophysis in adults

Answer 29

The zygapophysis lies in the saggital plane for L1/L2 L3/L4 | The zygapophysis lies in the coronal plane for L4/L5 L5/S1

Question 30

What name is given to zygapophysis between vertebral couples that lie in the same plane

Answer 30

Joint symmetry

Question 31

What names are given to the condition in which one zygapophysis of a vertebral couple lies in the coronal plane or position and the other zygapophysis lies in the sagittal plane or position

Answer 31

Joint asymmetry or joint tropism

Question 32

What is the name of the condition in which the typical lumbar spinous process increases in length due to the aging process

Answer 32

Baastrup's syndrome "kissing spines"

Question 33

What muscles will attach to the typical lumbar spinous process

Answer 33

``` latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, longissimus thoracis, spinalis thoracis, multifidis, rotator longus, rotator brevis interspinalis ```