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Table 1 Median values and ranges of the maximum speed across participants in each group and training context

From: Signatures of movement variability anticipate hand speed according to levels of intent

Training context

Subject group

Median (min-max range)

p-value

   

Wilcoxon test

Slow-Fast random (simulation)

6 subjects

Strike 3.56 (0.63, 10.04)

Strike vs. Ret

Retract 2.50 (0.50, 8.14)

1.0483e-004

Slow (dark)

6 subjects

Strike 1.53 (0.50, 2.36)

Fast vs. Slow

Retract 1.40 (0.52, 3.24)

3.4990e-008

Slow Strike vs. Ret

0.3973

Fast (dark)

6 subjects

Strike 2.24 (0.96, 2.88)

Fast Strike vs. Ret

Retract 1.77 (1.26, 2.49)

0.049

Slow (loads)

6 subjects

Strike 2.43 (1.51, 4.19)

Fast vs. Slow

Retract 2.58 (1.01,4.17)

5.6133e-043

Slow Strike vs. Ret

Fast (loads)

6 subjects

Strike 4.04 (2.51, 6.08)

0.9293

Retract 4.05 (1.59, 6.31)

Fast Strike vs. Ret

0.0131

Slow (glowing sticks body)

6 subjects

Strike 2.07 (1.49, 2.64)

Fast vs. Slow

Retract 2.56 (1.65, 2.97)

2.6748e-024

Slow Strike vs. Ret

Fast (glowing sticks body)

6 subjects

Strike 4.19 (3.20, 5.34)

1.5773e-007

Retract 3.75 (3.30, 4.53)

Fast Strike vs. Ret

0.019

Slow (mirror)

6 subjects

Strike 1.87 (0.51, 2.25)

Fast vs. Slow

Retract 1.54(0.50, 2.41)

0.883

Slow Strike vs. Ret

Fast (mirror)

6 subjects

Strike 1.53 (0.51, 2.51)

0.09

Retract 1.61 (0.52, 3.05)

Fast Strike vs. Ret

0.43

Slow (glowing sticks mirror)

6 subjects

Strike 1.83 (100, 2.34)

Fast vs. Slow

Retract 1.61 (1.23, 3.09)

0.002

Slow Strike vs. Ret

0.317

Fast (glowing sticks mirror)

6 subjects

Strike 2.23 (1.19, 3.46)

Fast Strike vs. Ret

Retract 1.71 (1.51, 3.32)

0.127

Fast block

9 subjects

Strike 3.19 (0.64, 8.31)

Fast vs. Slow

Retract 2.90 (0.52,. 5.36)

7.1035e-059

Slow Strike vs. Ret

4.1993e-017

Slow block

9 subjects

Strike 2.43 (0.72, 6.54)

Fast Strike vs. Ret

Retract 2.03 (0.31, 4.60)

1.1409e-009

Slow bag

4 subjects

Strike 1.08 (0.26, 5.11)

Fast vs. Slow

Retract 3.06 (0.22, 4.94)

9.7665e-038

Slow Strike vs. Ret

Fast bag

4 subjects

Strike 1.77 (0.25, 5.58)

0.4320

Retract 3.06 (0.28, 5.62)

Fast Strike vs. Ret

0.2700

Slow No bag

4 subjects

Strike 3.44 (0.72, 6.54)

Fast vs. Slow

Retract 2.07 (0.31, 4.50)

2.7745e-015

Slow Strike vs. Ret

7.9882e-005

Fast No bag

4 subjects

Strike 4.20 (1.04, 5.38)

Fast Strike vs. Ret

  

Retract 3.24 (1.59, 5.35)

0.1857

  1. The Wilcoxon ranksum test for equal medians was performed to compare between strikes and retractions within each speed level. The comparison between speed levels was also performed.