HypertrophyMuscle Fibers, Slow-TwitchMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle ContractionMuscle, SkeletalMuscle DenervationCardiomegalyHypertrophy, Left VentricularMyocardiumMuscle ProteinsMuscle, Smooth, VascularMotor NeuronsCell EnlargementMuscle DevelopmentNeural ConductionMuscle, SmoothSarcoplasmic ReticulumElectric StimulationCell SizeCells, CulturedRana temporariaMyofibrilsNerve FibersMesangial CellsCatsIsometric ContractionTime FactorsRats, Sprague-DawleyMyosin Heavy ChainsRabbitsOrgan SizeNeuromuscular JunctionHyperplasiaMuscle FatigueAngiotensin IICalcium-Transporting ATPasesCalciumMyocytes, Smooth MuscleDiaphragmSarcomeresGlomerular MesangiumMyocytes, CardiacAtrial Natriuretic FactorMitochondria, MuscleMuscle SpindlesMuscular AtrophySignal TransductionRNA, MessengerPsoas MusclesRana pipiensAnuraDietary FiberMuscle RelaxationPhenylephrineOculomotor MusclesMuscular DiseasesElectromyographyHypertrophy, Right VentricularPapillary MusclesAnimals, NewbornActinsDisease Models, AnimalMuscle, StriatedGene ExpressionImmunohistochemistryAction PotentialsRats, Inbred StrainsMuscle WeaknessMembrane PotentialsTransforming Growth Factor betaHindlimbQuadriceps MuscleMotor EndplateGene Expression RegulationMasseter MuscleRats, WistarMyocardial ContractionSatellite Cells, Skeletal MuscleThoracicaHeartMyosinsMolecular Sequence DataRespiratory MusclesMuscular Dystrophy, AnimalNeck MusclesEndothelin-1Muscle CellsPhosphorylationBiomechanical PhenomenaBase SequenceRats, Inbred WKYMasticatory MusclesMineral FibersAbdominal MusclesCaffeineHistocytochemistryMice, Inbred mdxTOR Serine-Threonine Kinases