Modified Ashworth Scale

Question 1

definition

Answer 1

assessment of spasticity; it measures the amount of resistance to passive stretch

Question 2

Spasticity

Answer 2

a component of an upper motor neuron lesion, which is also characterized by exaggerated phasic (tendon jerks) and tonic (spastic) stretch reflexes that can occur after injury to CNS

Question 3

Grade 0

Answer 3

no increase in muscle tone

Question 4

Grade 1

Answer 4

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 is moved in flexion or extension

Question 5

Grade 1+

Answer 5

slight increase in muscle tone, manifested by a catch, followed by minimal resistance throughout the remainder (less than half) of the ROM

Question 6

Grade 2

Answer 6

more marked increase in muscle tone through most of the ROM, but affected parts easily moved

Question 7

Grade 3

Answer 7

considerable increase in muscle tone, passive movement difficult

Question 8

Grade 4

Answer 8

affected parts rigid in flexion or extension