能量代謝的原理

1、Muscle triglyceride =3000 kcalLiver triglyceride = 450 kcalLiver glycogen = 400 kcalMuscle glycogen =2500 kcalSegal KR et al. Am J Clin Nutr. 1984;40:995-1000.Thermic effect of feedingEnergy expenditure of physical activityResting energy expenditureSedentary Person (1800 kcal/d)Physically Active Per

2、son (2200 kcal/d)REE = Resting energy expenditureEnergy Expenditure (%REE)Liver, Brain, Kidneys, Gut, HeartTissue energy expenditureTissue weightWeight (% Body Weight)806040200SkeletalMuscleAdiposeTissue,LeanPersonAdiposeTissue,ObesePersonREE = Resting energy expenditureFat-Free Mass (kg)REE (kcal/2

3、4 h)Owen. Mayo Clin Proc 1988;63:503.309010004050607080Lean femalesObese femalesLean malesObese malesEnergy Expenditure (k/cal/d)Resting Energy Expenditure*P0.05 vs lean subjectsRavussin et al. Am J Clin Nutr 1982;35:566.Total Energy ExpenditureLean (BMI=21 kg/m2)Obese (BMI=38 kg/m2)Kcal/dReported*P

4、0.05 vs reported.Lichtman et al. N Engl J Med 1992;327:1893.Energy IntakeActualReportedActualEnergy ExpenditureEnergy Expenditure (kcal/d)Before*P25 kg/m2)Population (%)National Center for Health Statistics Website. Overweight (BMI 25-29.9 kg/m2)Obese (BMI 30 kg/m2)NHANES II (1976-1980)NHANES III (1

5、988-1994)NHANES (1999-2000)ThinBM of Parents (kg/m2)Stunkard et al. N Engl J Med 1986;314:193. Copyright 1986 Massachusetts Medical Society. All rights reserved.Weight Classification of AdopteesFathersMothersMedian Overweight ObeseBiological ParentsAdoptive ParentsThinMedian Overweight ObeseBody Mas

6、s Index (kg/m2)Ravussin E et al. Diabetes Care 1994;17:1067-1074.Pima IndiansMaycoba, MexicoArizonaP 0.0001l9、 人的價(jià)值，在招收誘惑的一瞬間被決定。2022-3-22022-3-2Wednesday, March 02, 2022l10、低頭要有勇氣，抬頭要有低氣。2022-3-22022-3-22022-3-23/2/2022 11:50:30 PMl11、人總是珍惜為得到。2022-3-22022-3-22022-3-2Mar-222-Mar-22l12、人亂于心，不寬余請(qǐng)。2022-3-22022-3-22022-3-2Wednesday, March 02, 2022l13、生氣是拿別人做錯(cuò)的事來懲罰自己。2022-3-22022-3-22022-3-22022-3-23/2/2022l14、抱最大的希望，作最大的努力。2022年3月2日星期三2022-3-22022-3-22022-3-2l15、一個(gè)人炫耀什么，說明他內(nèi)心缺少什么。2022年3月2022-3-22022-3-22022-3-23/2/2022l16、