Energy Conservation and Exercise Dependence: A Sympathetic Arousal Hypothesis
Document Type
Article
Publication Date
4-1987
Keywords
exercise, dieting, metabolic rate, exercise dependence, hormones, sympathetic arousal, endorphins, norepinephrine, epinephrine, oxygen consumption, fitness levels, exercise training
Abstract
The present article reviews a wide range of studies which suggest that energy balance mechanisms are affected by food restriction and exercise training. Specifically, food restriction produces adaptive decreases in basal metabolic rate, a decrease in the energy utilized in the performance of a specific task, and an increase in the efficiency of food utilization following resumption of pre-restriction feeding patterns. Exercise training produces an adaptive decrease in the energy required to perform aspecific task and in the hormonal output to a standard work task. Conflicting evidence exists on the combined effects of exercise and dietingon energy conservation. This energy balance information is used as the basis for the development of a sympathetic arousal hypothesisof exercise dependence. We propose that exercise dependence is mediated by adaptive reductions in sympathetic output to exercisetasks as a result of training, requiring the individual to engage in heightened levels of activity to produce pre-training levels of physiological arousal.
Was this content written or created while at USF?
Yes
Citation / Publisher Attribution
Medicine and Science in Sports and Exercise, v. 19, issue 2, p. 91-99
Scholar Commons Citation
Thompson, Joel K. and Blanton, Paul, "Energy Conservation and Exercise Dependence: A Sympathetic Arousal Hypothesis" (1987). Psychology Faculty Publications. 2088.
https://digitalcommons.usf.edu/psy_facpub/2088
