Bone and BonesBody Mass IndexMuscle, SkeletalObesityMusclesBody CompositionMuscle ProteinsBone RemodelingBone DensityRisk FactorsBody WeightSarcopeniaMuscular AtrophyMuscle Fibers, SkeletalMass SpectrometryMuscle, SmoothMyostatinAnthropometryOverweightMuscle DevelopmentCross-Sectional StudiesMuscle ContractionAbsorptiometry, PhotonMuscle, Smooth, VascularProspective StudiesExerciseCohort StudiesTime FactorsAdipose TissueBone ResorptionThinnessAge FactorsBody HeightOrgan SizeSex FactorsRegression AnalysisBone MarrowAgingBone DevelopmentWeight LossMuscle StrengthMuscle Fibers, Fast-TwitchBody ConstitutionCase-Control StudiesWaist CircumferenceLinear ModelsMuscle Fibers, Slow-TwitchFollow-Up StudiesBlood GlucoseMuscle WeaknessBlood PressureWaist-Hip RatioWeight GainDietPrevalenceMuscle FatigueMuscle DenervationBiological MarkersBone NeoplasmsBone Marrow CellsNutritional StatusLongitudinal StudiesBone DiseasesInsulin ResistanceQuadriceps MuscleReference ValuesAdiposityEnergy IntakeSkinfold ThicknessMitochondria, MuscleInsulinObesity, MorbidEnergy MetabolismSeverity of Illness IndexAnalysis of VarianceQuestionnairesHypertensionLogistic ModelsLipidsBody SizeMotor ActivityCardiovascular DiseasesDiabetes Mellitus, Type 2Retrospective StudiesSmokingTreatment OutcomeMultivariate AnalysisBody Weights and MeasuresSex CharacteristicsPredictive Value of TestsUnited StatesJapanNeck MusclesLeptinEuropean Continental Ancestry GroupRisk AssessmentOdds RatioBiomechanical PhenomenaMyocytes, Smooth MuscleTriglycerides