ASIA scale

Question 1

Grade A

Answer 1

Complete - no motor or sensory function

Question 2

Grade B

Answer 2

Incomplete - sensory but not motor function preserved below level of injury

Question 3

Grade C

Answer 3

Incomplete - motor function preserved, but majority of key muscles below neurological level have muscle grade <3

Question 4

Grade D

Answer 4

Incomplete - motor function is preserved, majority of key muscles below neurological level have muscle grade >3

Question 5

Grade E

Answer 5

Normal - motor and sensory functions are normal