Quizzies (Typical Lumbar Spine: L1-L4)

Question 0

What is the effect of aging on the vertebral body of a lumbar vertebra?

Answer 0

Decrease in height, increase in circumference

Question 1

What accounts for the direction of the lumbar curve?

Answer 1

The vertebral body and intervertebral disc have a greater anterior height than posterior height

Question 2

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

Answer 2

Six

Question 3

What muscles may attach to a typical lumbar vertebral body?

Answer 3

Psoas major and psoas minor

Question 4

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

Answer 4

T12, L1

Question 5

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

Answer 5

Transforminal ligaments

Question 6

Hofmann ligaments are identified in which regions long the vertebral column?

Answer 6

Cervical-upper thoracic region and lumbar region

Question 7

Cervical-upper thoracic Hofmann ligaments will attach what structures together?

Answer 7

Dura mater to segments above

Question 8

What is the highest level known to demonstrate Hofmann ligaments?

Answer 8

C6

Question 9

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

Answer 9

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

Question 10

Lumbar Hofmann ligaments will attach what structures together?

Answer 10

Dura mater to lower segmental levels

Question 11

What is the proposed function of the lumbar Hofmann ligaments?

Answer 11

Resist cranial movement of the dural sac during flexion

Question 12

What osseous conditions of lumbar vertebrae facilitate a spinal tap in this region?

Answer 12

Overlap of the laminae, shingling, diminishes; overlap of the spinous processes, imbrication, diminishes

Question 13

Beginning with the L1 transverse process, what is the generic direction and relative length of each succeeding lumbar transverse process?

Answer 13

Each transverse process is directed straight lateral and increases in length from L1-L3. L4 then begins to decrease in length

Question 14

What is the name of the elevation near the origin of the lumbar transverse process?

Answer 14

Accessory process

Question 15

Congenital elongation of the lumbar accessory process results in what feature?

Answer 15

Styloid process

Question 16

Congenital elongation of the lumbar accessory process occurs with what frequency?

Answer 16

7% occurrence

Question 17

What ligament(s) will attach to the lumbar accessory process?

Answer 17

Mammillo-accessory ligament

Question 18

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

Answer 18

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

Question 19

What muscle(s) attach to the lumbar accessory process?

Answer 19

Longissimus thoracis and intertransversarii

Question 20

What ligament attaches the twelfth rib to the transverse process of L1?

Answer 20

The lumbocostal ligament

Question 21

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

Answer 21

Psoas major, quadratus lumborum, longissimus thoracis, rotator brevis rotator longus, and intertransversarii

Question 22

What ligaments attach to the transverse process of a typical lumbar vertebra?

Answer 22

The lumbocostal, mammillo-accessory, and intertransverse ligaments

Question 23

What is the orientation of the typical lumbar superior articular facet?

Answer 23

Backward, upward, medial (BUM); typically concave

Question 24

What is the orientation of the typical lumbar inferior articular facet?

Answer 24

Forward, lateral, downward (FoLD); significant convexity

Question 25

What is the name given to the projection in the lumbar superior articular process?

Answer 25

Mammillary process

Question 26

What muscles will attach to the mammillary process?

Answer 26

Multifidis and intertransversarii

Question 27

How many synovial joints are present on a typical lumbar vertebra?

Answer 27

Four