Table 2 Overview of calculated features and number of data recordings of the different tasks

Turn around cards

Pick up small objects

TIME, MI, MIV, DF, SM,

Stack dominos

ARE, RANG per task

30 (right and left of

Open and close a bottle

calculated per task from

4 weeks of the subjects

Use a key

wrist of performing hand

- 1 week data loss of subject 3)

NHPT

($\widehat{=}$ 7 features)

Lift and replace bigger objects

TIME, MI, MIV, DF, SM, ARE, RANG

Play ball

calculated from both (left and

15 (trials of 4 weeks of the subjects

right) wrists ($\widehat{=}$ 14 features)

- 1 week data loss of subject 3)

TIME, MI, MIV, DF, SM

ARE, RANG calculated

TUG

from hip sensor + average

11 (3 subjects, 4 weeks -

stance and step duration

1 week data loss)

and respective ratios

between left/right stance

Stair climbing

and step durations

4 (1 subject, 4 weeks)

calculated from feet

sensors ($\widehat{=}$ 11 features)

TUG (wheel chair)

TIME, MI, MIV, DF, SM, ARE, RANG calculated from the hip + ArmSync calculated from both wrists ($\widehat{=}$ 8 features)

11 (3 subjects, 4 weeks - 1 week data loss of subject 3)