期刊
JOURNAL OF APPLIED PHYSIOLOGY
卷 109, 期 1, 页码 3-10出版社
AMER PHYSIOLOGICAL SOC
DOI: 10.1152/japplphysiol.01361.2009
关键词
lifestyle intervention; abdominal fat; glucose homeostasis; lipoproteins
资金
- National Institute of Diabetes and Digestive and Kidney Diseases [R01-DK-067036]
- National Heart, Lung, and Blood Institute [T32-AR-048523]
Thomas TR, Warner SO, Dellsperger KC, Hinton PS, Whaley-Connell AT, Rector RS, Liu Y, Linden MA, Chockalingam A, Thyfault JP, Huyette DR, Wang Z, Cox RH. Exercise and the metabolic syndrome with weight regain. J Appl Physiol 109: 3-10, 2010. First published February 18, 2010; doi:10.1152/japplphysiol.01361.2009.-Weight loss improves metabolic syndrome (MetS) factors, but risk may return with weight regain. This study was designed to determine if exercise training can maintain improvements in MetS risk factors during weight regain. In a randomized control trial, 102 overweight or obese (body mass index 25.0-39.9 kg/m(2)) men and women (age 21-52 yr), with characteristics of the MetS, lost 10% of body weight with supervised walking/jogging at 60% of maximal oxygen consumption ((V) over dotO(2max)) (-400 kcal/session), 5 days/wk, and caloric restriction (-600 kcal/day) over a 4- to 6-mo period. After weight loss, 77 remaining subjects underwent programmed weight regain (+50% of lost weight) for 4-6 mo with random assignment to two groups: no exercise (NoEX) or continued supervised exercise (EX). Blood pressure, regional fat, glucose homeostasis, lipids, and inflammatory markers were assessed at baseline, post-weight loss, and post-weight regain. Groups were compared by two-way repeated-measures ANOVA on the 67 subjects. After weight loss (9.7 +/- 0.2% of body weight), significant (P < 0.05) improvements were observed in almost all parameters assessed. Following weight regain (54.4 +/- 1.6% of lost weight), the NoEX group exhibited deterioration in most metabolic markers, while the EX group maintained improvements in (V) over dotO(2max), blood pressures, glucose homeostasis, high-and low-density lipoprotein cholesterol (HDL-C and LDL-C), oxidized LDL, and other markers of inflammation, but did not maintain improvements in triglyceride and cholesterol concentrations or abdominal fat. Results of this design of controlled human weight regain suggest that aerobic exercise can counter the detrimental effects of partial weight regain on many markers of disease risk.
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