High versus Moderate Intensity Aerobic Exercise in Older Adults: Psychological and Physiological Effects

Document Type

Article

Publication Date

1994

Publication Title

Journal of Aging and Physical Activity

Abstract

This study examined the psychological and physiological effects of a 26-week aerobic exercise program on a sample of sedentary older men (n = 26) and women (n = 23). Subjects were randomly assigned to either a high intensity exercise group (80−85% of maximal heart rate reserve), a moderate intensity exercise group (65−70% of maximal heart rate reserve), or a no-exercise control group. Results indicated that subjects in the high intensity exercise group exhibited significant increases in aerobic capacity compared to the moderate intensity group. Both exercising groups improved aerobic capacity and had significant decreases in body weight compared to the control group. Exercising subjects also reported significantly fewer symptoms of depression at the end of the program, but not fewer than the control group. Overall, increases in VO2max were associated with decreases in depression.

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