Body Mass IndexMusclesMuscle, SkeletalMuscle DevelopmentObesityMuscle Fibers, SkeletalMuscle ProteinsSatellite Cells, Skeletal MuscleMuscle DenervationMyostatinRisk FactorsBody CompositionSarcopeniaMuscular AtrophyBody WeightMuscle ContractionMuscle, SmoothMass SpectrometryOverweightAnthropometryCross-Sectional StudiesMuscle Fibers, Fast-TwitchMuscle, Smooth, VascularExerciseMuscle Fibers, Slow-TwitchProspective StudiesCohort StudiesAgingRegenerationTime FactorsThinnessPAX7 Transcription FactorBody HeightAge FactorsAbsorptiometry, PhotonSex FactorsAdipose TissueOrgan SizeRegression AnalysisMuscle CellsMuscle StrengthWeight LossWaist CircumferenceMyogeninLinear ModelsCase-Control StudiesBody ConstitutionMuscle WeaknessBlood PressureWaist-Hip RatioMyoD ProteinPrevalenceMuscle FatigueMyoblastsBlood GlucoseFollow-Up StudiesWeight GainLongitudinal StudiesQuadriceps MuscleInsulin ResistanceNutritional StatusMyoblasts, SkeletalMitochondria, MuscleObesity, MorbidBiological MarkersMyofibrilsSeverity of Illness IndexHypertensionNeuromuscular JunctionDietLogistic ModelsQuestionnairesReference ValuesInsulinAdipositySkinfold ThicknessMyogenic Regulatory Factor 5Cardiovascular DiseasesSmokingDiabetes Mellitus, Type 2Motor ActivityBody SizeEnergy IntakeAnalysis of VarianceMyogenic Regulatory FactorsMultivariate AnalysisEnergy MetabolismRetrospective StudiesBody Weights and MeasuresNeck MusclesReceptors, CholinergicMuscular Dystrophy, AnimalUnited StatesOdds RatioJapanTreatment OutcomeIsometric ContractionMyocytes, Smooth MusclePredictive Value of TestsRisk Assessment