Body Mass IndexBody CompositionObesityMuscle, SkeletalMusclesAdipose TissueBody Fat DistributionBody WeightAnthropometryMuscle ProteinsDietary FatsRisk FactorsFatsSarcopeniaAbsorptiometry, PhotonMuscular AtrophyThinnessMuscle Fibers, SkeletalOverweightCross-Sectional StudiesAdiposityMyostatinSkinfold ThicknessMuscle, SmoothMuscle DevelopmentExerciseMass SpectrometryBody ConstitutionMuscle ContractionBody HeightProspective StudiesWeight LossCohort StudiesSex FactorsBlood GlucoseEnergy MetabolismEnergy IntakeWeight GainRegression AnalysisMuscle, Smooth, VascularAge FactorsWaist-Hip RatioTime FactorsWaist CircumferenceOrgan SizeLeptinInsulin ResistanceDietInsulinAbdominal FatLinear ModelsAgingIntra-Abdominal FatBlood PressureMuscle StrengthCase-Control StudiesLongitudinal StudiesNutritional StatusSubcutaneous FatElectric ImpedanceReference ValuesPrevalenceFollow-Up StudiesMuscle Fibers, Fast-TwitchLipidsMuscle WeaknessMuscle Fibers, Slow-TwitchBiological MarkersEatingAnalysis of VarianceMuscle FatigueSex CharacteristicsDiabetes Mellitus, Type 2TriglyceridesMuscle DenervationMotor ActivityQuestionnairesObesity, MorbidBody SizeCardiovascular DiseasesBody Weights and MeasuresQuadriceps MuscleHypertensionEuropean Continental Ancestry GroupPhysical FitnessSeverity of Illness IndexMitochondria, MuscleLogistic ModelsSmokingMultivariate AnalysisBasal MetabolismUnited StatesPredictive Value of TestsJapanOxygen ConsumptionBone DensityRetrospective StudiesFastingMetabolic Syndrome XPregnancy