Table 4 Al-Qattan’s scale for evaluation of hand motor function

Grade 0

Useless hand

Complete paralysis or slight finger motion of no use, useless thumb

Grade 1

Poor function

Only very weak grip possible

Grade 2

Fair function

There is some active flexion and/or extension of the fingers and some thumb mobility but the hand posture is intrinsic minus

Grade 3

Good function

Some as 2 but there is no intrinsic minus posture (intrinsic balance)

Grade 4

Excellent function

Near normal active finger flexion/extension and thumb mobility, with some active intrinsic function

Grade 5

Normal function