Table 5 Results of mean amplitude of AD, TB, VL, BF, AT, and MG muscles in the different walking speeds presented in mean and SE, values in millivolts. Different lower case letters represent significant differences between speeds. *Significant differences between groups in pre- or post-training. ^€Significant difference between pre- and post-training moment within each group

Mean amplitude AD

1 km h⁻¹

^€4.39 ± 0.66^a*

6.26 ± 1.85^a*

5.15 ± 1.02^a*

5.49 ± 1.77^a*

0.108

0.314

0.003

0.746

0.006

0.266

0.021

2 km h⁻¹

5.86 ± 1.80^a*

5.49 ± 1.24^a*

^€2.89 ± 0.59^b*

4.92 ± 1.43^a*

3 km h⁻¹

6.60 ± 2.03^a*

6.63 ± 1.61^a*

^€3.90 ± 0.84^b*

5.68 ± 1.67^a*

4 km h⁻¹

^€5.09 ± 1.14^a*

8.63 ± 2.17^a*

3.54 ± 0.69^b*

5.39 ± 1.89^a*

5 km h⁻¹

^€7.85 ± 1.72^b*

9.78 ± 2.21^b*

^€3.44 ± 0.53^b*

5.72 ± 1.70^a*

Mean amplitude TB

1 km h⁻¹

3.87 ± 0.59^a

6.15 ± 1.48^a

6.91 ± 2.13^a

4.80 ± 1.23^a

0.614

0.967

0.020

0.948

0.498

0.193

0.083

2 km h⁻¹

5.37 ± 1.16^a

7.90 ± 3.04^a

7.19 ± 2.99^a

6.70 ± 1.75^b

3 km h⁻¹

8.35 ± 2.82^b

9.81 ± 3.49^b

6.47 ± 2.55^a

7.99 ± 1.61^b

4 km h⁻¹

11.67 ± 4.02^c

9.11 ± 3.13^b

7.65 ± 3.76^a

8.65 ± 1.76^bc

5 km h⁻¹

14.15 ± 4.15^c

9.46 ± 2.73^b

8.10 ± 2.18^b

8.10 ± 1.80^b

Mean amplitude VL

1 km h⁻¹

6.12 ± 0.95^a

6.21 ± 0.79^a

8.75 ± 2.84^a

8.52 ± 2.30^a

0.425

0.302

< 0.001

0.352

0.427

0.619

0.330

2 km h⁻¹

7.17 ± 1.56^a

7.45 ± 0.92^a

8.10 ± 1.88^a

9.20 ± 2.29^a

3 km h⁻¹

9.27 ± 2.19^a

8.53 ± 1.04^a

10.19 ± 2.34^b

13.7 ± 3.70^b

4 km h⁻¹

13.20 ± 2.28^b

12.84 ± 1.65^b

10.54 ± 2.06^b

17.3 ± 4.07^b

5 km h⁻¹

14.36 ± 2.75^b

15.87 ± 1.81^b

15.51 ± 3.61^c

20.4 ± 5.37^c

Mean amplitude BF

1 km h⁻¹

7.87 ± 2.07^a*

11.20 ± 3.01^a*

5.99 ± 1.18^a*

4.19 ± 1.23^a*

0.045

0.645

< 0.001

0.791

0.270

0.746

0.620

2 km h⁻¹

10.67 ± 2.47^a*

10.42 ± 1.54^a*

7.14 ± 1.45^a*

5.60 ± 1.62^a*

3 km h⁻¹

11.10 ± 2.40^a*

10.91 ± 1.70^a*

10.15 ± 3.04^b*

7.32 ± 2.23^b*

4 km h⁻¹

15.46 ± 3.87^b*

14.16 ± 1.95^b*

9.74 ± 1.66^b*

9.13 ± 2.67^b*

5 km h⁻¹

21.11 ± 5.91^c*

17.54 ± 2.59^c*

12.03 ± 1.86^c*

11.50 ± 3.27^c*

Mean amplitude AT

1 km h⁻¹

12.53 ± 2.97^a

14.20 ± 2.62^a

12.24 ± 1.56^a

9.67 ± 2.35

0.127

0.228

< 0.001

0.382

0.082

0.439

0.764

2 km h⁻¹

14.33 ± 2.98^a

16.91 ± 3.93^b

17.52 ± 2.20^b

13.16 ± 3.33

3 km h⁻¹

16.54 ± 3.23^b

17.86 ± 2.84^b

19.27 ± 2.93^b

14.21 ± 3.32

4 km h⁻¹

21.95 ± 4.20^c

22.11 ± 3.20^c

24.34 ± 3.12^c

17.38 ± 4.12

5 km h⁻¹

28.97 ± 5.87^d

28.16 ± 3.93^d

31.37 ± 4.04^d

23.73 ± 5.24

Mean amplitude MG

1 km h⁻¹

11.94 ± 2.23^a

12.91 ± 2.10^a

15.06 ± 2.42^a

10.40 ± 2.48^a

0.196

0.391

< 0.001

0.463

0.627

0.058

0.179

2 km h⁻¹

12.85 ± 2.49^a

15.65 ± 3.16^b

16.13 ± 2.50^a

13.08 ± 3.19^b

3 km h⁻¹

15.27 ± 3.37^b

15.59 ± 2.27^b

16.19 ± 2.73^a

14.51 ± 3.34^b

4 km h⁻¹

16.89 ± 3.16^b

19.16 ± 2.77^c

20.19 ± 2.93^b

14.89 ± 3.46^b

5 km h⁻¹

20.62 ± 4.70^c

19.99 ± 2.89^c

22.28 ± 3.16^b

16.77 ± 3.63^c