Atypical lumbar vertebra: L5 Flashcards Preview

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Flashcards in Atypical lumbar vertebra: L5 Deck (10)
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1
Q

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

A

six

2
Q

How many synovial joint surfaces are present on the vertebral body of the fifth lumbar?

A

none

3
Q

How many cartilaginous (amphiarthrosis) symphysis joint surfaces are present on the vertebral body of L5?

A

two

4
Q

What muscle(s) attach to the fifth lumbar vertebral body?

A

psoas major

5
Q

What is the reported angulation and X-ray appearance of the fifth lumbar articular facets?

A

They lie in the vertical plane and are coronal facets

6
Q

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

A

backward, upward, medial (BUM_; typically concave

7
Q

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

A

Knife Clasp Syndrome

8
Q

What muscles will attachto the fifth lumbar spinous process?

A

lattissimus dorsi, ilicostalis lumborum, longissimus thoracis, multifidis, rotator longus, rotator brevis and interspinalis

9
Q

What is the appearance of the fifth lumbar vertebral body from the lateral view?

A

anterior height is greater than posterior height by several millimeters; it appears to form a wedge on a lateral X-ray view

10
Q

How many fibrous (amphiarthrosis) syndesmosis joint surfaces are present on the vertebral body of L5?

A

four