Energy expenditure and body composition changes after an isocaloric ketogenic diet in overweight and obese men12
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keyword
body composition
energy expenditure
ketogenic diet
insulin
carbohydrate
fat
macronutrients
ABBREVIATIONS
AFT
awake and fed thermogenesis
BD
high-carbohydrate baseline diet
DXA
dual-energy X-ray absorptiometry
EE
energy expenditure
EEchamber
total daily energy expenditure measured during repeated stays in metabolic chambers
EEDLW
average energy expenditure measured by doubly labeled water
EEexercise
energy cost of cycling exercise at a clamped intensity
EEsedentary
energy expenditure when not moving
FFA
free fatty acid
KD
low-carbohydrate ketogenic diet
PAEchamber
physical activity expenditure on days inside the metabolic chamber
PAEnonchamber
physical activity expenditure on days outside the metabolic chamber
rCO2
CO2 production rate
RQ
respiratory quotient
SEE
sleeping energy expenditure
SPA
spontaneous physical activity inside the metabolic chamber
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Supported by the Nutrition Sciences Initiative. This work was also supported in part by the Intramural Research Program of the NIH, the National Institute of Diabetes and Digestive and Kidney Diseases (KDH, KYC, and MLR), NIH grant UL1 TR00040 (Columbia Clinical and Translational Science Award; MR and RL), and Nutrition Obesity Research Center Grant P30DK072476 (ER).
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Supplemental Figures 1–3 and Supplemental Tables 1 and 2 are available from the –Online Supporting Material– link in the online posting of the article and from the same link in the online table of contents at http://ajcn.nutrition.org.
Copyright © 2016 American Society for Nutrition. Published by Elsevier Inc. All rights reserved.