Modified Ashworth Scale

Question 1

0 (0 MAS)

Answer 1

No increase in tone

Question 2

1 (1 MAS)

Answer 2

Slight increase in tone, catch and release, or minimal resistance at end ROM when moved in flexion or extension

Question 3

1+ (2 MAS)

Answer 3

Slight increase in tone, catch followed by minimal resistance throughout the remainder (less than 1/2) of the ROM

Question 4

2 (3 MAS)

Answer 4

Marked increase in tone throughout most of the ROM, but affected parts easily moved

Question 5

3 (4 MAS)

Answer 5

Considerable increase in tone - passive movement difficult

Question 6

4 (5 MAS)

Answer 6

Affected parts rigid in flexion or extension