SCI Part 2

Question 1

ASIA grade A

Answer 1

complete SCI

no sensory or motor function in S4-S5

Question 2

ASIA grade B

Answer 2

incomplete SCI

sensory function in preserved in S4-5: LT, PP, DAP

no motor function more than 3 levels below on either side

Question 3

ASIA grade C

Answer 3

incomplete SCI

motor function preserved at most caudal sacral segments - VAC

or

incomplete sensory on S4-5 and some motor more than 3 levels on ipsi side

less than half of key muscles 3 or more MMT

Question 4

ASIA grade D

Answer 4

motor incomplete

half or more key muscles 3 or more MMT

Question 5

ASIA grade E

Answer 5

normal

sensation and motor function normal in all segments

Question 6

when both affected which one is first to be normal, motor or sensory

Answer 6

sensory

Question 7

______ must be present to be classified as incomplete SCI

Answer 7

perianal sensation

Question 8

what is partial preservation

Answer 8

has motor/sensory function below lesion but not at S4-5

not all pts have this

Question 9

how to test for sacral sparring

Answer 9

perianal sensation

flex great toe - S1

VAC

Question 10

significance of sacral sparring

Answer 10

may provide normal bowel, bladder and sexual function

Question 11

cause of muscle spasticity in SCI

Answer 11

dec inhibition from descending spinal pathways

Question 12

clinical findings for incomplete incomplete SCI

Answer 12

sacral sparring and spasticity

Question 13

______ lesion has poorer prognosis

Answer 13

higher

Question 14

______ lesion has better prognosis

Answer 14

incomplete SCI

Question 15

recovery of motor function generally plateaus around _____

Answer 15

12-18 mo. p injury