Atypical Lumbar Vertebrae: L5

Question 1

appearance of the L5 vertebral body from lateral view

Answer 1

anterior height is greater than posterior height by several mm, appears to form a wedge on a lateral X-ray view

Question 2

of joint surfaces are present on the vertebral body of L5

Answer 2

6

Question 3

of synovial joint surfaces present on vertebral body of L5

Answer 3

0

Question 4

of cartilaginous (amphiarthrosis) symphysis joint surfaces on vertebral body of L5

Answer 4

2

Question 5

of fibrous (amphiarthrosis) syndesmosis joint surfaces present on the vertebral body of L5

Answer 5

4

Question 6

muscle(s) attached to L5 vertebral body

Answer 6

psoas major

Question 7

ligaments that attach the vertebral BODY TO the TRANSVERSE process

Answer 7

corporotransverse ligaments

Question 8

types of Hofmann ligaments

Answer 8

anterior Hofmann ligament, posterior Hofmann ligaments, lateral Hofmann ligaments, proximal root sleeve ligaments

Question 9

accounts for shortness of the L5 transverse process

Answer 9

hip/innonminate bones diminish the available space in the transverse plane

Question 10

congenital elongation of the lumbar accessory process results in what feature

Answer 10

styloid process

Question 11

parts of a vertebrae that is attached via the mammillo-accessory ligament

Answer 11

mammillary process and accessory process of the same segment

Question 12

muscles that may attach to the TRANSVERSE process of L5

Answer 12

posts major
quadratus lumboum
longissimus thoracis
rotator brevis
rotator longus
intertransversarii

Question 13

ligaments traditionally attached to the TRANSVERSE process of L5

Answer 13

lumbosacral,
iliolumbar
mammillo-accessory ligament

Question 14

orientation of L5 superior articular facets

Answer 14

BUM, typically concave

Question 15

orientation of L5 inferior articular facets

Answer 15

FoLD, significant convexity

Question 16

congenital condition in which L5 spinous process is elongated, the sacrum exhibits spina bifida, dorsiflexion produces pain

Answer 16

Knife Clasp Syndrome

Question 17

muscles that attach to L5 SPINOUS process

Answer 17

latissiumus dorsi
iliocostalis lumboum
longissimus thoracis
multifidis
rotator longus
rotator brevis
interspinalis