<qa>  What was the intensity of resistance exercise during each experimental session?Experimental Procedure To test the hypothesis of the present study, after the evaluation of anthropometric characteristics, an interview covering medical history and habits of daily living and a strength assessment using the one maximum repetition test, consisting of another three distinct experimental sessions for a period of seven days each and always at the same time of the day and in random order, were applied to university professors. The interventions during each experimental session consisted of resistance exercise with intensities of 40 one maximum repetition low intensity, 80 one maximum repetition high intensity and control without exercise. Before and 24 hours after the different interventions, with emphasis on the teaching and sleeping hours of the university professors, the hemodynamic and cardiac autonomic responses were examined. 