How-Well Scale

0.0—Weaker arm was not used at all for that activity (no use).
0.5—
1.0—Weaker arm was moved during that activity but was not helpful (very poor).
1.5—
2.0—Weaker arm was of some use during that activity but needed some help from the stronger arm or moved very slowly or with difficulty (poor).
2.5—
3.0—Weaker arm was used for that activity, but movements were slow or were made with only some effort (fair).
3.5—
4.0—Movements made by weaker arm for that activity were almost typical for age but not quite as fast or accurate (almost normal).
4.6—
5.0—Ability to use the weaker arm for that activity was typical for age (normal).