| Dual-process action of exercise on appetite control: increase in orexigenic drive but improvement in meal-induced satiety. | |
| | |
MedLine Citation:
|
PMID: 19675105 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
BACKGROUND: Exercise could contribute to weight loss by altering the sensitivity of the appetite regulatory system. OBJECTIVE: The aim of this study was to assess the effects of 12 wk of mandatory exercise on appetite control. DESIGN: Fifty-eight overweight and obese men and women [mean (+/-SD) body mass index (in kg/m(2)) = 31.8 +/- 4.5, age = 39.6 +/- 9.8 y, and maximal oxygen intake = 29.1 +/- 5.7 mL . kg(-1) . min(-1)] completed 12 wk of supervised exercise in the laboratory. The exercise sessions were designed to expend 2500 kcal/wk. Subjective appetite sensations and the satiating efficiency of a fixed breakfast were compared at baseline (week 0) and at week 12. An Electronic Appetite Rating System was used to measure subjective appetite sensations immediately before and after the fixed breakfast in the immediate postprandial period and across the whole day. The satiety quotient of the breakfast was determined by calculating the change in appetite scores relative to the breakfast's energy content. RESULTS: Despite large variability, there was a significant reduction in mean body weight (3.2 +/- 3.6 kg), fat mass (3.2 +/- 2.2 kg), and waist circumference (5.0 +/- 3.2 cm) after 12 wk. The analysis showed that a reduction in body weight and body composition was accompanied by an increase in fasting hunger and in average hunger across the day (P < 0.0001). Paradoxically, the immediate and delayed satiety quotient of the breakfast also increased significantly (P < 0.05). CONCLUSIONS: These data show that the effect of exercise on appetite regulation involves at least 2 processes: an increase in the overall (orexigenic) drive to eat and a concomitant increase in the satiating efficiency of a fixed meal. |
| | |
Authors:
|
Neil A King; Phillipa P Caudwell; Mark Hopkins; James R Stubbs; Erik Naslund; John E Blundell |
Related Documents
:
|
11374115 - Association between different attributes of physical activity and fat mass in untrained... 21346335 - Exercise, appetite and appetite-regulating hormones: implications for food intake and w... 15331335 - Effects of light resistance exercise using dumbbells and rubber band with mild energy r... 12425735 - Determinants of fat mass in prepubertal children. 1930075 - Effect of caffeine ingestion on alveolar ventilation during moderate exercise. 11347865 - Striking a chord: moods, blood pressure, and heart rate in everyday life. |
Publication Detail:
|
Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't Date: 2009-08-12 |
Journal Detail:
|
Title: The American journal of clinical nutrition Volume: 90 ISSN: 1938-3207 ISO Abbreviation: Am. J. Clin. Nutr. Publication Date: 2009 Oct |
Date Detail:
|
Created Date: 2009-09-21 Completed Date: 2009-10-09 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 0376027 Medline TA: Am J Clin Nutr Country: United States |
Other Details:
|
Languages: eng Pagination: 921-7 Citation Subset: AIM; IM |
Affiliation:
|
Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia. n.king@qut.edu.au |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adipose Tissue Adult Appetite / physiology Appetite Regulation / physiology* Body Weight Energy Intake Exercise* Female Humans Hunger / physiology* Male Middle Aged Obesity / physiopathology, therapy Overweight / physiopathology*, therapy Satiation / physiology* Waist Circumference / physiology Weight Loss / physiology* |
| Grant Support | |
ID/Acronym/Agency:
|
BBS/B/05079//Biotechnology and Biological Sciences Research Council |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Multiple micronutrients including iron are not more effective than iron alone for improving hemoglob...
Next Document: Serum vitamin C and the prevalence of vitamin C deficiency in the United States: 2003-2004 National ...