Regions of the Vertebral Column: Lumbar Spine (Typical Lumbar Spine: L1-L4/Atypical Lumbar Vertebrae: L5) Flashcards Preview

Spinal Anatomy > Regions of the Vertebral Column: Lumbar Spine (Typical Lumbar Spine: L1-L4/Atypical Lumbar Vertebrae: L5) > Flashcards

Flashcards in Regions of the Vertebral Column: Lumbar Spine (Typical Lumbar Spine: L1-L4/Atypical Lumbar Vertebrae: L5) Deck (40)
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1
Q

What accounts for the direction of the lumbar curve?

A

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

2
Q

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

A

Decrease in height, increase in circumference

3
Q

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

A

Six

4
Q

What muscles may attach to a typical lumbar vertebral body?

A

Psoas major and psoas minor

5
Q

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

A

T12, L1

6
Q

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

A

Transforaminal ligaments

7
Q

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

A

Cervical–upper thoracic region and lumbar region

8
Q

Cervical–upper thoracic Hofmann ligaments will attach what structure together?

A

Dura mater to segments above

9
Q

What is the highest level known to demonstrate Hofmann ligaments?

A

C6

10
Q

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

A

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

11
Q

Lumbar Hofmann ligaments will attach what structures together?

A

Dura mater to lower segmental levels

12
Q

What is the proposed function of the lumbar Hofmann ligaments?

A

Resist cranial movement of the dural sac during flexion

13
Q

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

A

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

14
Q

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

A

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

15
Q

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

A

Accessory process

16
Q

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

A

Styloid process

17
Q

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

A

7% occurence

18
Q

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

A

Mammillo-accessory ligament

19
Q

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

A

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

20
Q

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

A

Longissimus thoracis and intertransversarii

21
Q

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

A

The lumbocostal ligament

22
Q

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

A

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

23
Q

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

A

The lumbocostal, mammillo-accessory, and intertransversarii ligaments

24
Q

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

A

Backward, upward, ,medial (BUM); typically concave

25
Q

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

A

Forward, lateral, downward (FoLD); significant convexity

26
Q

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

A

Mammillary process

27
Q

What muslce(s) will attach to the mammmillary process?

A

Multifidis and intertransversarii

28
Q

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

A

Four

29
Q

What i the position of he lumbar zygapophysis in children?

A

the zygapophysis lies in the coronal plane

30
Q

What is the position of the lumbar zyapophysis in adults?

A

They zygapophysis lies in the sagittal plane for L1/L2, L2/L3, and L3/L4; the zygapophysis lies in the coronal plane for L4/L5 and L5/S1

31
Q

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 zygaopohysis lies in teh sagittal plane or position?

A

Joint asymmetry or joint tropism

32
Q

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

A

Baastrup’s syndrome or “kissing spines”

33
Q

What is Baastrup’s syndrome?

A

Elongation of the lumbar spinous process as a result of aging

34
Q

What muscles will attach to the typical lumbar spinous process?

A

Latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, longissimus thoracis, spinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis

35
Q

What characteristic of the L1-L4 pedicle may be used to differentiate it from the L5 segment? Be specific and complete as the difference(s) on a segment from each group.

A

On cranial view, the lateral surface of the pedicle is apparent on a L1-L4 segment. At L5 the transverse process originates from the vertebral body, pedicle, and lamina-pedicle region

36
Q

What muscles may attach to the transverse process of the fifth thoracic vertebra?

A

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

37
Q

What ligaments traditionally attach to the transverse process of the fifth lumbar vertebra?

A

Lumbosacral, iliolumbar, and mammillo-accessory ligaments

38
Q

What is the name(s) of the condition in which the L5 spinous process increases in length due to the aging process?

A

Baastrup’s syndrome or “kissing spines”

39
Q

What is the name given to the congenital condition in which the fifth lumbar spinous process is elongated, the sacrum exhibits spina bifia, and dorsiflexion produces pain?

A

Knife Clasp Syndrome

40
Q

What muscles will attach to the fifth lumbar spinous process?

A

Latissimus dorsi, iliocostalis lumborum, longissimus thoracis, multifidis, rotator longus, rotator brevis, and interspinalis

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