Anaerobic ThresholdExercise TestOxygen ConsumptionExercise ToleranceErgometryPulmonary Gas ExchangeExerciseHeart RateLactic AcidPhysical ExertionSensory ThresholdsPhysical EndurancePhysical FitnessRunningRespirationHeart FailureCarbon DioxideExercise TherapyPulmonary VentilationRespiratory Function TestsPhysical Education and TrainingSports