Resistance TrainingWeight LiftingMuscle, SkeletalMuscle StrengthMuscle ContractionBack MusclesPhysical EnduranceMusclesPhysical Education and TrainingIsometric ContractionMuscle FatigueExerciseTorqueMuscle Fibers, SkeletalRespiratory MusclesIsotonic ContractionMuscle ProteinsMuscle WeaknessPhysical FitnessNeck MusclesPectoralis MusclesAdaptation, PhysiologicalMuscle Fibers, Fast-TwitchAbdominal MusclesBody CompositionBiomechanical PhenomenaKneeMuscle Fibers, Slow-TwitchMuscle, SmoothElectromyographyAgingDrug ResistanceExercise TherapyElevators and EscalatorsTime FactorsQuadriceps MuscleExercise ToleranceMaximal Voluntary VentilationCockatoosMuscle, Smooth, VascularDrug Resistance, MicrobialDrug Resistance, BacterialOxygen ConsumptionPhysical ExertionExercise TestHand StrengthMuscle DevelopmentFlight, AnimalRange of Motion, ArticularElectric StimulationHypertrophyBreathing ExercisesDiaphragmAnkle JointDrug Resistance, NeoplasmMuscular AtrophyVascular ResistanceLegPhysical Conditioning, AnimalPatient PositioningInservice TrainingSupine PositionAnalysis of VariancePsychomotor PerformanceTask Performance and AnalysisDouble-Blind MethodDrug Resistance, MultipleTestosteronePostural BalanceMyosin Heavy ChainsDisease ResistancePhosphocreatineMuscle DenervationMuscle Stretching ExercisesMitochondria, MusclePosturePhysical Conditioning, HumanWalkingTreatment OutcomeDrug Resistance, ViralMyocytes, Smooth MuscleDrug Resistance, Multiple, BacterialPlyometric ExercisePatellar LigamentArmErgometryEnergy MetabolismAnti-Bacterial AgentsOculomotor MusclesMyostatinOrgan SizeThighNervous System Physiological PhenomenaBed RestBody WeightAnabolic AgentsMuscle RelaxationMuscle, StriatedSarcopeniaMicrobial Sensitivity Tests