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. 2011 Feb 22;6(2):e17059. doi: 10.1371/journal.pone.0017059

Figure 4. Maximal voluntary activation on the knee extensor and plantar flexor muscles.

Figure 4

Maximal voluntary activation (%VA) of the knee extensor muscles (panel A) and the plantar flexor muscles (panel B) before (PRE), after (POST) and 2, 5, 9 and 16 days after the race (D+2, D+5, D+9 and D+16, respectively). Data are mean values ± SD. $$$: P<0.001, Significance of Wilcoxon test between PRE and POST (n = 22). ++: P<0.01: Significance level of pairwise comparisons between PRE and every other measurements (n = 11) revealed by Wilcoxon test plus Bonferroni corrections when Friedman ANOVA was significant, P<0.01 to be significant. Percentages indicated are for n = 11.