Prolapsed Intervertebral Disc

Question 1

What type of joint is IV Disc

Answer 1

Secondary Cartilaginous

Question 2

what is largest avascular structure in body

Answer 2

IV disc

Question 3

fibres of annulus fibrosis run

Answer 3

obliquely

Question 4

IV disc fails with what type of movement

Answer 4

twisting

Question 5

nucleus pulposus consists mainly of

Answer 5

water 88%

Question 6

disc prolapses are usually

Answer 6

postero-lateral

Question 7

discs consist of

Answer 7

collagen and proteoglycans

Question 8

what causes nerve root compression in iv discs

Answer 8

osteophytes

Question 9

nerve root pain presentation

Answer 9

pain worse in limbs than back

Question 10

cervical disc prolapse commonly where

Answer 10

c5/6

Question 11

thoracic disc prolapses make up what percentage

Answer 11

<1% mostly at T11/T12

Question 12

most common lumbar disc prolapse

Answer 12

L4/5 most posterolateral

Question 13

nerve root of L5/S1 Disc

Answer 13

S1

Question 14

nerve root of L4/5 disc

Answer 14

L5

Question 15

nerve root of L3/4 Disc

Answer 15

L4

Question 16

Disc L3/4 would give sensory loss to where

Answer 16

medial aspect low leg

Question 17

Disc L4/5 would give sensory loss where

Answer 17

Great toe + 1st dorsal web space

Question 18

Disc L5/S1 would give sensory loss where

Answer 18

Little toe + sole of foot

Question 19

Disc L5/S1 would give motor weakness and reflex change where

Answer 19

plantar flex foot

ankle jerk

Question 20

disc l3/4 would give motor weakness and reflex change where

Answer 20

Quads

Knee Jerk

Question 21

disc l4/5 would give motor weakness where

Answer 21

EHL