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Comparison of Anxiolytic Effects of Acute Exercise in Older Versus Younger Adults

University of South Carolina

^* To whom correspondence should be addressed. E-mail: syoungstedt{at}sc.edu.

	Abstract

Although the anxiolytic effect of acute exercise is well established, there is little understanding regarding whether this effect differs across age. The purpose of this investigation was to compare anxiolytic effects of acute exercise in older versus younger volunteers. Older (n = 32, aged 59-75 years) and younger (n = 45, aged 18-30 years), aerobically fit volunteers were assessed. On 3 consecutive days, participants ran/walked for 60 min at 65% to 75% of heart-rate reserve. The Spielberger State-Trait Anxiety Inventory (Form Y1) was administered 5 min before and 20 min after each exercise bout. Mean state anxiety before and after exercise was analyzed by repeated measures age-by-gender-by-time ANOVA. A significantly greater anxiolytic effect of exercise in the older versus younger participants was found for the mean data (p < .001), as well as each of the 3 individual days. The results suggest greater anxiolytic effects of vigorous acute exercise in older compared to younger adults.

First published on July 2, 2009
Journal of Applied Gerontology 2009, doi:10.1177/0733464809337411


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