ElectrolytesPhysical ExertionWater-Electrolyte ImbalanceWater-Electrolyte BalanceSodiumExercise TestPotassiumExerciseChloridesHeart RateHypernatremiaOxygen ConsumptionHypokalemiaPerceptionPhysical EnduranceBicyclingHyponatremiaDyspneaErgometryBicarbonatesOsmolar ConcentrationAcid-Base EquilibriumRunningAcid-Base ImbalanceDehydrationFluid TherapyMuscle FatigueWaterLiftingElectrolysisCross-Over StudiesBody WaterComputer TerminalsRehydration SolutionsAthletic PerformanceJejunumPsychophysiologySodium ChlorideBlood PressureCatharticsIntestinal AbsorptionExercise ToleranceLactic AcidTime FactorsDiuresisSportsHyperkalemiaMartial ArtsMaximal Expiratory Flow RateMuscle, SkeletalRhabdomyolysisSweatingTrack and FieldPhysical FitnessFatigueElectromyographyIntestinal SecretionsBackTennisWalkingHydrogen-Ion ConcentrationRespirationIsotonic SolutionsBody FluidsHeat Stress DisordersKidneyIsometric ContractionElectroplatingTask Performance and AnalysisWorkAldosteroneElectrodesMagnesiumElectrochemical TechniquesShort-Wave TherapyDiureticsHand StrengthOxygenBiomechanical PhenomenaHuman EngineeringElectrochemistryBody TemperatureFatigue Syndrome, ChronicRestAnalysis of VarianceDrinkingPhysical Education and TrainingHorsesOccupational DiseasesSweatBody Temperature RegulationSolutionsIleumBlood Chemical AnalysisPostureBisacodylTorqueEnergy MetabolismDiarrheaNatriuresis