atypical lumbar vertebra: L5 Flashcards Preview

Spinal Anatomy Exam 2 > atypical lumbar vertebra: L5 > Flashcards

Flashcards in atypical lumbar vertebra: L5 Deck (10):
1

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

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

2

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

6

3

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

none

4

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

2

5

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

4

6

what muscle attaches to the fifth lumbar vertebral body?

psoas major

7

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

backward, upward, medial (BUM); typically concave

8

what is the orientation of the fifth lumbar inferior articular facet?

forward, lateral, downward (FoLD); significant convexity

9

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?

Knife Clasp Syndrome

10

what muscles will attach to the fifth lumbar spinous process?

latissimus dorsi, iliocostalis lumborum, longissimus thoracis, multifidus, rotator longus, rotator brevis and interspinalis