Fig. 5From: The effect of thermal insulation pads on heat flux, physical effort and perceived exertion during endurance exercise in cool environmentsBlood lactate levels as measured after warm-up (t0) and after 15 min (t1), 30 min (t2) and 45 min (t3) of running while wearing the thermally insulating (PINSUL) and non-insulating (PCOOL) pants in studies A (a) and B (b). No significant differences were found between PINSUL and PCOOL but factor time was significant in study A and B (p < 0.05)Back to article page