Body Mass IndexMuscle, SkeletalObesityMusclesMuscle ProteinsRisk FactorsBody CompositionSarcopeniaMuscular AtrophyMuscle Fibers, SkeletalBody WeightMuscle, SmoothMyostatinMass SpectrometryOverweightMuscle DevelopmentAnthropometryCross-Sectional StudiesMuscle ContractionMuscle, Smooth, VascularExerciseProspective StudiesCohort StudiesThinnessBody HeightAge FactorsAbsorptiometry, PhotonSex FactorsTime FactorsAdipose TissueOrgan SizeRegression AnalysisMuscle StrengthWeight LossMuscle Fibers, Fast-TwitchWaist CircumferenceLinear ModelsCase-Control StudiesBody ConstitutionMuscle WeaknessAgingMuscle Fibers, Slow-TwitchBlood PressureWaist-Hip RatioPrevalenceMuscle FatigueMuscle DenervationBlood GlucoseFollow-Up StudiesWeight GainLongitudinal StudiesQuadriceps MuscleInsulin ResistanceNutritional StatusMitochondria, MuscleObesity, MorbidBiological MarkersSeverity of Illness IndexHypertensionDietLogistic ModelsQuestionnairesReference ValuesInsulinAdipositySkinfold ThicknessCardiovascular DiseasesSmokingDiabetes Mellitus, Type 2Motor ActivityBody SizeEnergy IntakeAnalysis of VarianceMultivariate AnalysisEnergy MetabolismRetrospective StudiesBody Weights and MeasuresNeck MusclesUnited StatesOdds RatioJapanTreatment OutcomeIsometric ContractionMyocytes, Smooth MusclePredictive Value of TestsRisk AssessmentEuropean Continental Ancestry GroupSex CharacteristicsTandem Mass SpectrometryLeptinRespiratory MusclesSpectrometry, Mass, Electrospray IonizationHindlimb SuspensionHypertrophyCachexiaLipidsThighPhysical FitnessOculomotor MusclesMuscular Disorders, Atrophic