Nonexercise energy expenditure and physical activity in the Midwest Exercise Trial 2

E A Willis, S D Herrmann, J J Honas, Jae Hoon Lee, J E Donnelly, R A Washburn

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: This study aimed to examine compensatory changes in nonexercise energy expenditure (NEEx) and nonexercise physical activity (NEPA) in response to an aerobic exercise training program. METHODS: Ninety-two overweight/obese (body mass index, 25-39.9 kg·m) sedentary young adults (18-30 yr) completed a 10-month randomized clinical efficacy trial of aerobic exercise 5 d·wk at either 400 kcal per session (n = 37), 600 kcal per session (n = 37), or control (n = 18). Total daily energy expenditure (TDEE) and resting metabolic rate (RMR) were measured at months 0 and 10. NEPA was measured by an accelerometer at months 0, 3.5, 7, and 10. NEEx was calculated by the following formula: [(total daily energy expenditure × 0.9) - RMR] - net EEEx (EEEx-RMR). Mixed modeling was used to examine differences between groups (group effect), within groups (time effect), and group-time interaction for NEEx and NEPA. RESULTS: Within the exercise groups, there were no significant effects (all P > 0.05)
Original languageEnglish
Pages (from-to)2286–2294
JournalMedicine and Science in Sports and Exercise
StatePublished - 2014

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