Fig. 3

Percentage of change in time to exhaustion. The data are presented in mean and SEM. * indicates statistical significance of p < 0.05 compared to Placebo+Placebo; ** indicates statistical significance of p < 0.01 compared to Placebo+Placebo; **** indicates statistical significance of p < 0.0001 compared to Placebo+Placebo; ø indicates statistical significance of p < 0.05 compared to Placebo+PBMT/sMF; øø indicates statistical significance of p < 0.01 compared to Placebo+PBMT/sMF; øøøø indicates statistical significance of p < 0.0001 compared to Placebo+PBMT/sMF; and # indicates statistical significance of p < 0.05 compared to PBMT/sMF + Placebo