Exercise TestMusclesExercise TherapyExerciseMuscle, SkeletalExercise ToleranceMuscle ProteinsMuscle ContractionMuscle, SmoothMuscle Fibers, SkeletalPhysical ExertionMuscle, Smooth, VascularMuscle DevelopmentMuscle FatigueOxygen ConsumptionMuscle Fibers, Fast-TwitchPhysical EnduranceMuscle Fibers, Slow-TwitchMuscle DenervationMitochondria, MuscleIsometric ContractionMuscle RelaxationMyocytes, Smooth MusclePapillary MusclesQuadriceps MuscleTime FactorsRespiratory MusclesNeck MusclesOculomotor MusclesMuscle WeaknessMuscle SpindlesHeart RateOxygenMuscle, StriatedMuscle Stretching ExercisesBicyclingAbdominal MusclesRestElectromyographyRunningResistance TrainingLactic AcidPhysical FitnessGlycogenMuscle CellsPulmonary Gas ExchangeMasseter MuscleBiomechanical PhenomenaMuscular AtrophyLegMyofibrilsCalciumMasticatory MusclesIntercostal MusclesFacial MusclesElectric StimulationAnaerobic ThresholdMuscular DiseasesRegional Blood FlowPsoas MusclesRabbitsBlood PressureEnergy MetabolismHindlimbAdaptation, PhysiologicalSatellite Cells, Skeletal MuscleStress, MechanicalBreathing ExercisesPectoralis MusclesSarcomeresHeartRespirationMyosin Heavy ChainsRats, Sprague-DawleyRats, WistarWeight LiftingAnalysis of VarianceDiaphragmPhysical Education and TrainingPhosphocreatineAgingCells, CulturedMyocardiumCarbon DioxideInsulinMyocardial ContractionBody WeightHemodynamicsModels, BiologicalDogsBlood GlucoseMotor NeuronsTemporal MuscleThighRNA, MessengerCardiac OutputKineticsWalkingMotor ActivityAnoxia