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Exercise alone is not enough : weight loss also needs a healthy (Mediterranean) diet?

Caudwell, Phillipa, Hopkins, Mark, King, Neil A., Stubbs, Robert J., & Blundell, John E. (2009) Exercise alone is not enough : weight loss also needs a healthy (Mediterranean) diet? Public Health Nutrition, 12(9A), pp. 1663-1666.

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Abstract

Objective: In the majority of exercise intervention studies, the aggregate reported weight loss is often small. The efficacy of exercise as a weight loss tool remains in question. The aim of the present study was to investigate the variability in appetite and body weight when participants engaged in a supervised and monitored exercise programme. ----------

Design: Fifty-eight obese men and women (BMI = 31·8 ± 4·5 kg/m2) were prescribed exercise to expend approximately 2092 kJ (500 kcal) per session, five times a week at an intensity of 70 % maximum heart rate for 12 weeks under supervised conditions in the research unit. Body weight and composition, total daily energy intake and various health markers were measured at weeks 0, 4, 8 and 12. ----------

Results: Mean reduction in body weight (3·2 ± 1·98 kg) was significant (P < 0·001); however, there was large individual variability (−14·7 to +2·7 kg). This large variability could be largely attributed to the differences in energy intake over the 12-week intervention. Those participants who failed to lose meaningful weight increased their food intake and reduced intake of fruits and vegetables. ----------

Conclusion: These data have demonstrated that even when exercise energy expenditure is high, a healthy diet is still required for weight loss to occur in many people.

Impact and interest:

20 citations in Scopus
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14 citations in Web of Science®

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ID Code: 29552
Item Type: Journal Article
Additional Information: The published version of this article is freely available online via the Official URl.
Additional URLs:
Keywords: Exercise, Individual Variability, Weight Loss, Food intake
DOI: 10.1017/S1368980009990528
ISSN: 1368-9800
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Preventive Medicine (111716)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Human Movement and Sports Science not elsewhere classified (110699)
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 2009 The Authors
Deposited On: 21 Jan 2010 14:20
Last Modified: 01 Mar 2012 00:03

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