Fig. 2From: Aerobic Fitness Level Affects Cardiovascular and Salivary Alpha Amylase Responses to Acute Psychosocial StressHR before, during, and after the TSST-G among volunteers of high and low muscle power in the lower extremities. Values are presented as mean ± SEM for each 2-min time interval. The first quartile represents subjects of high muscle power. The fourth quartile represents subjects of low muscle power. Each of the 15 time-segments in the figure represents data from all 219 subjects. HR heart rate, TSST-G Trier Social Stress Test for GroupsBack to article page