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. 2011 May 16;8:27. doi: 10.1186/1743-0003-8-27

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)