Table 3 Parameters of voluntary running at the beginning and at the end of experiment

Distance (m/day)

Beginning^a

5280 ± 548

4959 ± 226

5343 ± 699

4994 ± 301

End^a

4910 ± 1056

6642 ± 168^##,**

5178 ± 612

7820 ± 851^#,*

Duration (min/day)

Beginning^a

306 ± 17

315 ± 10

339 ± 17

335 ± 16

End^a

264 ± 43

302 ± 4^##,*

268 ± 26*

333 ± 17^##

Average speed (m/min)

Beginning^a

12.5 ± 0.8

13.6 ± 1.2

11.7 ± 0.5

13.2 ± 1.1

End^a

13.9 ± 0.7^#

21.4 ± 0.1^###,**

14.7 ± 0.3^##,**

21.1 ± 0.8^###,**

Maximal speed (m/min)

Beginning^a

23.2 ± 0.9

22.1 ± 1.7

20.5 ± 1.6

23.8 ± 1.8

End^a

23.3 ± 1.3

32.1 ± 0.6^###,**

23.2 ± 1.1

33.8 ± 1.3^###,**