Oculomotor MusclesMusclesMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle DevelopmentMuscle ContractionMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchAmyotrophic Lateral SclerosisMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesMuscle, StriatedMuscle SpindlesMuscle RelaxationMuscle WeaknessRespiratory MusclesPapillary MusclesAbdominal MusclesQuadriceps MuscleMuscle CellsMasseter MuscleFacial MusclesMasticatory MusclesLateral Line SystemIntercostal MusclesElectromyographyMuscular AtrophyIsometric ContractionSatellite Cells, Skeletal MusclePectoralis MusclesElectric StimulationMuscular DiseasesTime FactorsMotor NeuronsPsoas MusclesHindlimbTemporal MuscleMyofibrilsRabbitsHypothalamic Area, LateralCells, CulturedLateral VentriclesCalciumRats, Sprague-DawleyPharyngeal MusclesMyosin Heavy ChainsCatsDiaphragmBiomechanical PhenomenaNeuromuscular JunctionRNA, MessengerGlycogenRats, WistarActinsModels, BiologicalMuscular Dystrophy, AnimalPterygoid MusclesMyoblastsMuscle CrampSignal TransductionMolecular Sequence DataImmunohistochemistryRegenerationAction PotentialsMyoD ProteinGeniculate BodiesMovementSarcomeresTendonsPhysical ExertionMice, Inbred mdxAgingMyostatinMyocardiumMice, Inbred C57BLLegMicroscopy, ElectronMagnetic Resonance ImagingMuscle Stretching ExercisesMembrane PotentialsKineticsExerciseCell DifferentiationGene Expression RegulationMuscle RigidityElectrophysiologyPostureGene Expression Regulation, DevelopmentalHypertrophyStress, MechanicalGuinea PigsThighDystrophinPhysical Endurance