Modified Ashworth Scale (MAS)Loading...Clinical description of spasticity in muscle being evaluated?No increase in muscle tone0Slight 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+1Slight increase in muscle tone, manifested by a catch, followed by minimal resistance throughout the remainder (less than half) of the RO+1.5More marked increase in muscle tone through most of the ROM, but affected part(s) easily moved+2Considerable increase in muscle tone, passive movement difficult+3Affected part(s) rigid in flexion or extension+4Indications for UseInsights & Cautions