Physical ProcessesModels, TheoreticalModels, BiologicalComputer SimulationPhysical FitnessMotor ActivityPhysical Therapy ModalitiesExercisePhysical ExaminationPhysical Therapy SpecialtyPhysical Education and TrainingPhysical ExertionModels, ChemicalQuestionnairesChemical PhenomenaMultiple Chemical SensitivityPhysical Chromosome MappingMagnetic Resonance SpectroscopyChemical IndustrySedentary LifestyleOrganic ChemicalsChemical WarfareHazardous SubstancesInorganic ChemicalsCross-Sectional StudiesHealth StatusTime FactorsQuality of LifeBurns, Chemical