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Table 1 The modified Ashworth scale

From: Development of spasticity with age in a total population of children with cerebral palsy

Score Description of the muscle tone
0 Normal tone, no increase in tone
1 Slight increase in tone – a catch and release at the end of the range of motion
1+ Slight increase in tone – catch, followed by minimal resistance in remainder of range
2 More marked increase in tone through most of range
3 Considerable increase in tone, passive movement difficult
4 Affected parts rigid in flexion or extension