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Flashcards in PLL and ALL Deck (21)
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1
Q

vertebral levels that the ALL attaches to

A

between occiput and S3 inclusive are traditionally indicated

2
Q

lowest extent of the ALL based on recent studies

A

L3

3
Q

believed to form the ALL in the lumbar spine

A

tendon of the crura of the diaphragm

4
Q

innervates the ALL

A

anterior neural plexus formed by fibers from the ventral primary ramus and sympathetic postganglionic fibers from the paravertebral ganglia

5
Q

function of the ALL

A

brakes or limits dorsi-flexion or hyperextension of the vertebral column

6
Q

ossification of the ALL in the lumbar region is called what

A

Forestiers’s disease

7
Q

ossification of ALL in the lumbar region is NOW called what

A

DISH

diffuse idiopathic skeletal hyperostosis

8
Q

classification of the PLL - vertebral body joint

A

fibrous (amphiarthrosis) syndesmosis

9
Q

vertebral levels the PLL will attach to

A

those b/w C2 and S3 inclusive are traditionally indicated

10
Q

PLL will attach to what in addition to vertebral bodies

A

intervertebral disc

11
Q

newer research suggests what regional variation in the PLL to the vertebral foramen

A

forms the anterior boundary of the spinal canal

12
Q

appearance of the PLL along the cervical spine

A

parallel along its lateral margins

13
Q

appearance of the PLL in the lumbar spine

A

hourglass shaped along its lateral margins

14
Q

innermost layer of the PLL is called

A

perivertebral ligament

15
Q

innervates the PLL

A

posterior neural plexus formed by fibers from the recurrent meningeal nerve/sinus vertebral nerve/sinu-vertebral nerve

16
Q

function of the PLL

A

brakes or limits flexion of the vertebral column

17
Q

ossification of the PLL is most commonly where

A

cervical spine with 80% incidence

18
Q

clinical sign of PLL ossification in the cervical spine

A

loss of hand and finger dexterity

19
Q

clinical sign of PLL ossification in the lumbar spine

A

faltering gait

20
Q

gender, age, and ethnic bias associated with ossification of the PLL

A

greater in males over 50 and has a higher incidence in the Japanese

21
Q

at one time ossification of the PLL was an example of what condition

A

DISH