MusclesMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle DevelopmentMuscle ContractionMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesOculomotor MusclesMuscle, StriatedMuscle SpindlesMuscle RelaxationRespiratory MusclesMuscle WeaknessPapillary MusclesAbdominal MusclesQuadriceps MuscleMuscle CellsMasseter MuscleFacial MusclesMasticatory MusclesIntercostal MusclesElectromyographyMuscular AtrophyIsometric ContractionSatellite Cells, Skeletal MusclePectoralis MusclesMuscular DiseasesPsoas MusclesMyofibrilsTemporal MuscleHindlimbRabbitsElectric StimulationTime FactorsCells, CulturedCalciumMyosin Heavy ChainsBiomechanical PhenomenaPharyngeal MusclesDiaphragmMotor NeuronsGlycogenNeuromuscular JunctionRNA, MessengerModels, BiologicalMuscular Dystrophy, AnimalRats, Sprague-DawleyMyoblastsActinsMuscle CrampRats, WistarRegenerationMice, Inbred mdxSarcomeresMyostatinMyoD ProteinLegPhysical ExertionMolecular Sequence DataSignal TransductionExerciseMuscle Stretching ExercisesMyocardiumMuscle RigidityGene Expression RegulationKineticsAgingHypertrophyDystrophinPhysical EnduranceMyoblasts, SkeletalAortaTendonsMembrane PotentialsMice, Inbred C57BLInsulinHindlimb SuspensionCatsThighMuscle NeoplasmsImmunohistochemistryCreatine KinaseCell DifferentiationPterygoid MusclesGuinea PigsOxygen ConsumptionMuscular DystrophiesSkeletal Muscle MyosinsAnuraTracheaSarcoplasmic ReticulumMuscle Relaxants, Central