Body Mass IndexBody CompositionMuscle, SkeletalObesityMusclesMuscle ProteinsSarcopeniaBody WeightMuscular AtrophyRisk FactorsMuscle Fibers, SkeletalThinnessMyostatinMuscle, SmoothOverweightAnthropometryMuscle DevelopmentMass SpectrometryCross-Sectional StudiesMuscle ContractionAdipose TissueMuscle, Smooth, VascularExerciseAbsorptiometry, PhotonProspective StudiesCohort StudiesBody HeightAge FactorsSex FactorsOrgan SizeWeight LossTime FactorsRegression AnalysisMuscle StrengthBody ConstitutionBlood GlucoseAgingWaist CircumferenceMuscle Fibers, Fast-TwitchLinear ModelsMuscle WeaknessWaist-Hip RatioBlood PressureCase-Control StudiesMuscle Fibers, Slow-TwitchWeight GainInsulin ResistanceMuscle FatigueMuscle DenervationPrevalenceInsulinFollow-Up StudiesLongitudinal StudiesDietNutritional StatusQuadriceps MuscleAdiposityObesity, MorbidEnergy IntakeMitochondria, MuscleEnergy MetabolismBiological MarkersReference ValuesSkinfold ThicknessHypertensionDiabetes Mellitus, Type 2Severity of Illness IndexQuestionnairesLogistic ModelsMotor ActivityLeptinBody SizeCardiovascular DiseasesAnalysis of VarianceSmokingMultivariate AnalysisBody Weights and MeasuresNeck MusclesSex CharacteristicsRetrospective StudiesJapanIsometric ContractionLipidsUnited StatesMyocytes, Smooth MuscleEuropean Continental Ancestry GroupPredictive Value of TestsOdds RatioCachexiaTandem Mass SpectrometryRisk AssessmentTriglyceridesBone DensitySpectrometry, Mass, Electrospray IonizationRespiratory MusclesHypertrophyHindlimb SuspensionPhysical FitnessTreatment OutcomeMetabolic Syndrome X