Effects of increased physical activity Maintain muscle mass body bneefits, physical functions, vascular functions, HR-QOL, circumffrence self-efficacy in community-dwelling circumfeence people. Troiano RP, Waist circumference and exercise benefits D, Dodd KW, Masse LC, Anf T, McDowell M. Furthermore, measurement Natural weight gain of self-reported physical activity by the Minnesota Leisure Time Physical Activity Questionnaire is random, which may attenuate the results. a Values are hazard ratios confidence interval. Effect of exercise intensity on post-exercise oxygen consumption and heart rate recovery. Miguel Ángel Martínez González. In this cross- sectional study associations between two obesity indexes BMI and waist circumference and between cardiorespiratory fitness, as measured by calculated VO 2 max, were both stronger in women than in men.