The AUSCAN subscales, AIMS-2 hand/finger subscale, and FIOHA were not unidimensional scales

The AUSCAN subscales, AIMS-2 hand/finger scale, and FIHOA were not unidimensional. However, deletion of misfitting items improved scale performance. The revised AUSCAN physical function and FIHOA scales are preferable for measurement of grip strength and precision tasks, respectively.