| Score |
Ashworth Scale
(1964) |
Modified Ashworth Scale
Bohannon & Smith
(1987) |
| 0 (0) |
No increase in tone |
No increase in muscle tone |
| 1 (1) |
Slight increase in tone giving a catch when the limb was moved in flexion
or extension |
Slight increase in muscle tone, manifested by a catch and release or
by minimal resistance at the end of the range of motion when the affected
part(s) is moved in flexion or extension. |
| 1+(2) |
|
Slight increase in muscle tone, manifested by a catch, followed by minimal
resistance throughout the reminder (less than half) of the ROM (range of
movement). |
| 2 (3) |
More marked increase in tone but limb easily flexed. |
More marked increase in muscle tone through most of the ROM, but affected
part(s) easily moved. |
| 3 (4) |
Considerable increase in tone - passive movement difficult. |
Considerable increase in muscle tone passive, movement difficult. |
| 4 (5) |
Limb rigid in flexion or extension. |
Affected part(s) rigid in flexion or extension. |