FatigueHealthy People ProgramsMuscle FatigueFatigue Syndrome, ChronicMental FatigueUnited StatesQuestionnairesBehavioral Risk Factor Surveillance SystemQuality of LifePrevalenceHealth PrioritiesRisk FactorsActivities of Daily LivingCross-Sectional StudiesTime FactorsExerciseHealthHealth StatusHealth SurveysJaw, Edentulous, PartiallyPopulation SurveillanceSocioeconomic FactorsNeoplasmsChronic DiseaseHealth BehaviorHealth Status IndicatorsSex FactorsSeverity of Illness IndexTreatment OutcomeCase-Control StudiesHealth Services AccessibilityHealth PromotionContinental Population GroupsMuscle, SkeletalDepressionProspective StudiesMuscle ContractionAge FactorsSmokingAge DistributionPainEthnic GroupsIsometric ContractionReproducibility of ResultsAttitude to HealthReference ValuesHealth Status DisparitiesVaccinesGreat BritainChinaPhysical EnduranceCohort StudiesHealth Care SurveysMass ScreeningInfant, NewbornPublic HealthNutrition SurveysFibromyalgiaPovertySleep DisordersVaccinationQualitative ResearchAttitude of Health PersonnelImmunization ProgramsAgingForecastingInterviews as TopicProgram EvaluationStress, PsychologicalEducational StatusPreventive Health ServicesElectromyographyRisk AssessmentHealth Knowledge, Attitudes, PracticeJapanIncomeMortalityAfrican AmericansLogistic ModelsAnalysis of VarianceEuropean Continental Ancestry GroupIncidenceDietSmoking CessationFollow-Up StudiesTorquePhysician-Patient RelationsAsthenopiaPilot ProjectsEnglandAnxietyDouble-Blind MethodMuscle StrengthPsychometricsRetrospective StudiesPatient SatisfactionFocus GroupsPain MeasurementNetherlandsAdaptation, Psychological