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Table 2 Modified ashworth scale description and the scoring method used for data analysis[7]

From: Elbow spasticity during passive stretch-reflex: clinical evaluation using a wearable sensor system

MAS score Score used in analysis Descriptor
0 0 No increase in muscle tone
1 1 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 remainder (less than half) of the range of movement (ROM)
2 3 More marked increase in muscle tone through most of ROM, but affected part(s) easily moved
3 4 Considerable increase in muscle tone, passive movement difficult
4 5 Affected part(s) rigid in flexion and extension