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Exercise

High energy flux mediates resting metabolic rate exercising older adults

Published in Obesity and Diabetes Week, September 13th, 2004

High energy flux mediates the tonically augmented beta-adrenergic support of resting metabolic rate in habitually exercising older adults.

"The sympathetic nervous system contributes to resting metabolic rate (RMR) via beta-adrenergic receptor (beta-AR) stimulation of energy metabolism. RMR and beta-AR support of RMR are greater in habitually exercising compared with sedentary older adults possibly due to greater energy flux (magnitude of energy intake and energy expenditure during energy balance)," researchers in the United States report.

"In 10 older adults regularly performing aerobic endurance exercise (mean±SE, 66±1 yr) compared...

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