The aim of this study was to examine short-term changes in blood rheological variables after
a single bout of resistance exercise. Twenty-one healthy males completed three sets of 5–7
repetitions of six exercises at an intensity corresponding to 80% of one-repetition maximum
(1-RM). The average duration of the exercise bout was 35 min. Venous blood samples were
obtained before exercise, immediately after exercise and after 30 min of recovery and
analysed for lactate, red blood cell count, haematocrit, haemoglobin, plasma viscosity …