Fig. 4

Pressure pain threshold (PPT) values (mean and SE) depicted as a percentage of pre-intervention value for each intervention group (n = 75, 15 per group) up to 15 min post-intervention. Ipsi-R: heavy rolling massage on the calf that exhibited the higher tenderness, Contra-R: heavy rolling massage on the calf of the contralateral limb, Sham: light stroking of the skin with roller massager on the calf that exhibited the higher tenderness, Ipsi-M: manual massage on the calf that exhibited the higher tenderness, and Control: no intervention. # denotes significant main effects for five time points. § denotes significant main effect for five interventions