Energy MetabolismStress, MechanicalEnergy IntakePhosphocreatineEnergy TransferAdenosine TriphosphateMechanical ProcessesPhosphatesBiomechanical PhenomenaCosmic RadiationMechanical PhenomenaMagnetic Resonance SpectroscopyParticle AcceleratorsLinear Energy TransferMyocardiumTime FactorsThermodynamicsHeavy IonsBody WeightLactatesModels, BiologicalKineticsRespiration, ArtificialMechanotransduction, CellularElasticitySpectrometry, GammaAdenine NucleotidesOxygen ConsumptionDietGlycolysisRadiotherapy, High-EnergyRelative Biological EffectivenessPhysical StimulationTensile StrengthFluorescence Resonance Energy TransferAdenosine DiphosphateElectronsEatingModels, ChemicalCreatineElastic ModulusModels, MolecularOxidative PhosphorylationComputer SimulationBody CompositionHydrogen-Ion ConcentrationEquipment DesignDietary ProteinsDietary FatsVentilators, MechanicalGlucoseMuscle, SkeletalWeight GainConservation of Energy ResourcesCreatine KinaseSwineCompressive StrengthLactic AcidDogsHeartCattleSolar EnergyFeeding BehaviorTemperatureModels, TheoreticalAnimal FeedIodoacetatesRats, Sprague-DawleyElectric CountershockMyocardial ContractionProtein ConformationProtonsHyperalgesiaPerfusionPhosphorusMechanicsSpectrum AnalysisCoronary CirculationMaterials TestingMusclesAdenosine MonophosphateRenewable EnergyDose-Response Relationship, RadiationAnalysis of VarianceWeight-BearingIonsOxygenRabbitsOxidation-ReductionAdipose TissueMitochondriaX-RaysRats, Inbred StrainsMicroscopy, Atomic ForceOrgan SizeCatalysisMitochondria, HeartVentilator WeaningRadiometryBasal Metabolism