TheMcGraw-HillCompanies-WeightManagement：美国麦格劳-希尔公司体重管理

《TheMcGraw-HillCompanies-WeightManagement：美国麦格劳-希尔公司体重管理》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、WeightManagementChapter14BasicConceptsBodyCompositionLeanBodyMassBodyFatEssentialfatNonessentialfat-(storage)-3%oftotalfatinmen,12%inwomenPercentBodyFat-Women:<8%atrisk,Average23%,>32%atriskMen:<5%atrisk,Average15%,>25%atrisk2EnergyBalanceCrucialtokeepahealthyratiooffatandleanbodymassEn

2、ergyConsumptionorexpenditureofcaloriesControloverintakeofcalories34EvaluatingBodyWeightandBodyCompositionPercentbodyfatanddistributionofbodyfat=weatherachangeonbodycompositionwouldimprovehealth.OverweightObesityHeight-WeightchartsBodyMassIndex(BMI)BodyComposition5AssessmentofBodyWeightM

3、easurement.BodyMassIndex-BMI=(weight(kg)/Height(m)squared.lbs.=kg[lbs./2.2]inch=m[inch/39.4].HealthyBMI=18.8-24.9BMIof25oraboveisOverweightBMIof30oraboveisObese67BMIResultsElevatedBMIsrisks=.BMIsbetween23and25doubleriskofHighbloodpressureinmen.26triplestherisk.BMIof24increasedthedevelop

4、mentofTypeIIdiabetesbyfivetimesabovethatofaBMIof21inwomen.8MethodsofDeterminingPercentBodyFatHydrostatic(underwater)SkinfoldElectricalImpedanceAnalysisWaist-To-HipratioWaistandthewidestpartofthehipsRatio-1.0orhigherformen0.8orhigherforwomenIndicateelevatedrisk9ExcessBodyFatandWellnessTh

5、eamountoffatinthebody-anditslocation-canhaveprofoundeffectsonhealth.10TheHealthRisksofExcessBodyFatObeseindividualshaveamortalityratetwicethatofnon-obeseAssociatedwith:diabetes,elevatedcholesterollevels,impairedheartfunction,hypertensionandcancerPsychologicalhealth:depression,bodydissat

6、isfactionandeatingdisordersBodyFatdistributionandHealthApplesPears1112DietsWeightcyclingorYO-YOeffectofdietingSomefeelthatitmaybeharmfultobothoverallhealthandtoeffortsatweightlost.Studieshavenotyetconclusivelyshownweightcyclingbeharmful.13BodyImageCollectivepictureofthebodyasseenthrough

7、themind’seye.PerceptionsImagesThoughtsAttitudesEmotions14IsItPossibletoBeTooLean?Lessthan8%forwomenandlessthan5%formen.Extremehasbeenlinkedtoproblemswith:ReproductiveCirculatoryImmunesystemdisordersFemaleAthleteTriadAmenorrhea15FactorsContributingToExcessBodyFatGeneticFactorsPh