Body Mass IndexBody CompositionMuscle, SkeletalObesityMusclesMuscle ProteinsLegRisk FactorsMuscular AtrophyBody WeightSarcopeniaLower ExtremityMuscle Fibers, SkeletalThinnessMyostatinAnthropometryMuscle, SmoothMuscle DevelopmentOverweightMuscle ContractionMass SpectrometryCross-Sectional StudiesProspective StudiesExerciseAdipose TissueMuscle, Smooth, VascularCohort StudiesTime FactorsAbsorptiometry, PhotonMuscle StrengthLimb BudsAge FactorsBody HeightExtremitiesSex FactorsMuscle WeaknessOrgan SizeRegression AnalysisWeight LossAgingCase-Control StudiesFollow-Up StudiesBlood PressureBody ConstitutionLinear ModelsBlood GlucoseMuscle Fibers, Fast-TwitchWaist CircumferenceMuscle FatiguePrevalenceMuscle Fibers, Slow-TwitchWaist-Hip RatioWeight GainQuadriceps MuscleInsulin ResistanceMuscle DenervationSeverity of Illness IndexInsulinLongitudinal StudiesReference ValuesDietBiomechanical PhenomenaNutritional StatusQuestionnairesBiological MarkersMotor ActivityTreatment OutcomeObesity, MorbidAdiposityEnergy MetabolismAnalysis of VarianceRetrospective StudiesMitochondria, MuscleEnergy IntakeLeg InjuriesHypertensionDiabetes Mellitus, Type 2Skinfold ThicknessLogistic ModelsThighElectromyographyHindlimbBody SizeCardiovascular DiseasesAmputationIsometric ContractionLeptinLimb SalvageSmokingArmMultivariate AnalysisBody Weights and MeasuresIschemiaPredictive Value of TestsSex CharacteristicsRisk AssessmentNeck MusclesJapanOdds RatioBone Density