EcdysteroneBody CompositionPhysical EnduranceMusclesMuscle, SkeletalDrosophila melanogasterMuscle ProteinsMuscle StrengthHeat-Shock ProteinsVasospasm, IntracranialMuscle, SmoothOxyhemoglobinsMuscle Fibers, SkeletalMuscle ContractionMuscle FatigueMuscle, Smooth, VascularRunningMuscle DevelopmentHot TemperatureTensile StrengthExerciseMitochondria, MuscleRespiratory MusclesPhysical Conditioning, AnimalMuscle Fibers, Fast-TwitchPhysical Education and TrainingGene Expression RegulationKineticsMuscle Fibers, Slow-TwitchOxygen ConsumptionHand StrengthQuadriceps MuscleMuscle WeaknessBicyclingMuscle DenervationIsometric ContractionAthletesPhysical ExertionSportsShear StrengthPhysical FitnessTranscription, GeneticNeck MusclesMyocytes, Smooth MuscleBase SequencePromoter Regions, GeneticMuscle Strength DynamometerResistance TrainingAthletic Performance