Exercise-induced energy expenditure : implications for exercise prescription and obesity

Colley, Rachel C., Hills, Andrew P., King, Neil A., & Byrne, Nuala M. (2010) Exercise-induced energy expenditure : implications for exercise prescription and obesity. Patient Education and Counseling, 79(3), pp. 327-332.

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Objective: Walking is commonly recommended to help with weight management. We measured total energy expenditure (TEE) and its components to quantify the impact of increasing exercise-induced energy expenditure (ExEE) on other components of TEE.

Methods: Thirteen obese women underwent an 8-week walking group intervention. TEE was quantified using doubly labeled water, ExEE was quantified using heart rate monitors, daily movement was assessed by accelerometry and resting metabolic rate was measured using indirect calorimetry.

Results: Four of the 13 participants achieved the target of 1500 kcal wk−1 of ExEE and all achieved 1000 kcal wk−1. The average ExEE achieved by the group across the 8 weeks was 1434 ± 237 kcal wk−1. Vigorous physical activity, as assessed by accelerometry, increased during the intervention by an average of 30 min per day. Non-exercise activity thermogenesis (NEAT) decreased, on average, by 175 kcal d−1 (−22%) from baseline to the intervention and baseline fitness was correlated with change in NEAT.

Conclusions: Potential alterations in non-exercise activity should be considered when exercise is prescribed. The provision of appropriate education on how to self-monitor daily activity levels may improve intervention outcomes in groups who are new to exercise.

Practice implications: Strategies to sustain incidental and light physical activity should be offered to help empower individuals as they develop and maintain healthy and long-lasting lifestyle habits.

Impact and interest:

29 citations in Scopus
23 citations in Web of Science®
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ID Code: 34425
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Physical Activity, Adherence, Behavior Change, Compensation, Walking Program
DOI: 10.1016/j.pec.2010.03.001
ISSN: 0738-3991
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NURSING (111000)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2010 Elsevier Ireland Ltd. All rights reserved.
Deposited On: 09 Sep 2010 21:14
Last Modified: 29 Feb 2012 14:15

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