The scale of limb tone testing for the right ankle, as part of the Modified Ashworth Scale.

No increase in muscle tone;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;Slight increase in muscle tone, manifested by a catch, followed by minimal resistance throughout the remainder (less than half) of the ROM;More marked increase in muscle tone through most of the ROM, but affected part(s) easily moved;Considerable increase in muscle tone, passive movement difficult;Affected part(s) rigid in flexion or extension;Unable to test.;

Scored from 0–4 or 9 (Unable to Test).

0;1;1+;2;3;4;9;

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Alhusaini AA, Dean CM, Crosbie J, Shepherd RB, Lewis J. Evaluation of spasticity in children with cerebral palsy using Ashworth and Tardieu Scales compared with laboratory measures. J Child Neurol. 2010;25(10):1242–1247.