volunteers. METHODS: A crossover design including twenty-two (mean age= 28.2) healthy
volunteers (11 male and 11 female) cardiac autonomic tone was measured by heart rate
(HR) and heart rate variability (HRV). Stress hormone levels (cortisol) were followed in
saliva. We also measured blood glucose and serum insulin. Extracellular (ECV) levels of
glucose, lactate, pyruvate and glycerol were followed using the microdialysis technique …