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Table 4 EMG comparison in moving task

From: Thumb performance of elderly users on smartphone touchscreen

 

iEMG/S

Contraction time

iEMG

Large

Small

Large

Small

Large

Small

Fixed speed

 APB

1.19 ± 0.14

1.11 ± 0.09

0.94 ± 0.12

1.07 ± 0.14

0.96 ± 0.17

1.19 ± 0.18

 APL

1.18 ± 0.09

1.24 ± 0.08

0.97 ± 0.11

1.45 ± 0.27**

1.13 ± 0.18

1.78 ± 0.38**

 FDI

1.11 ± 0.12

1.21 ± 0.12

0.96 ± 0.09

1.12 ± 0.14

1.22 ± 0.19

1.17 ± 0.16

Max speed

 APB

0.86 ± 0.09

0.86 ± 0.08

0.98 ± 0.10

1.12 ± 0.09

0.89 ± 0.17

1.05 ± 0.21

 APL

1.3 ± 0.09

1.21 ± 1.10

0.88 ± 0.90

1.44 ± 0.26**

1.20 ± 0.16

1.76 ± 0.41**

 FDI

0.84 ± 0.10

0.96 ± 0.11

0.91 ± 0.10

1.24 ± 0.24*

1.11 ± 0.15

1.48 ± 0.34**

  1. Values indicate percentage of reference values (mean ± SE)
  2. Wilcoxon signed-rank test: * p < 0.05, ** p < 0.01
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