Pain intensity (mean ± SEM) before and after the 15-week exercise intervention in FMS (upper panel) and CON (lower panel) at the time points 140 (baseline), 160 (immediately after the 20-min work period), 180 (recovery), 200 (recovery), and 220 (recovery) min.

Note the different y-axis. * denotes significant difference in pain intensity at that time point between before and after the exercise intervention.