Table 2.
Kinematic variables
| Pre-Test | Post-Test | F | P | |
|---|---|---|---|---|
| Virtual Piano Trainer | ||||
| Finger Fractionation (deg)a | 23.3 (18.8) | 33.0 (10.2) | 5.7 | 0.044 |
| Time to Press Each Key (sec) | 5.82 (2.4) | 4.72 (1.6) | 5.4 | 0.04 |
| Accuracya | 0.44 (0.17) | 0.40 (0.23) | 0.54 | 0.48 |
| Hammer Task | ||||
| Time per Cylinder (sec) | 31 (19) | 15 (7) | 13.6 | 0.005 |
| Arm Endpoint Path Length (m) | 1.2 (.62) | 0.72 (.23) | 14.7 | 0.003 |
| Arm Endpoint Smoothness, *103 | 62.03 (86.7) | 15.1(16.4) | 5.2 | 0.05 |
| Arm Endpoint Deviation | 87 (50) | 42 (19) | 19.2 | 0.002 |
| Peak MPJ Extension | 22.5 (16) | 19.5 (19) | 2.42 | 0.16 |
Abbreviations: MPJ, Metacarpal-phalangeal joint.
aFor all measures except finger fractionation and accuracy, lower scores indicate better performance.
bMean (standard deviation)