MusclesCaenorhabditis elegansArmMuscle 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 MuscleElectromyographyMasticatory MusclesFacial MusclesIntercostal MusclesMuscular AtrophyIsometric ContractionSatellite Cells, Skeletal MusclePectoralis MusclesMuscular DiseasesPsoas MusclesMyofibrilsHindlimbTemporal MuscleBiomechanical PhenomenaElectric StimulationTime FactorsRabbitsCells, CulturedMyosin Heavy ChainsCalciumPharyngeal MusclesDiaphragmMotor NeuronsGlycogenNeuromuscular JunctionMovementRNA, MessengerMuscular Dystrophy, AnimalMyoblastsRats, Sprague-DawleyLegActinsMuscle CrampRats, WistarPhysical ExertionRegenerationExerciseSarcomeresMice, Inbred mdxMyostatinMyoD ProteinMuscle Stretching ExercisesMyocardiumMolecular Sequence DataMuscle RigidityTorqueTendonsHypertrophyPhysical EnduranceSignal TransductionAgingModels, BiologicalKineticsGene Expression RegulationDystrophinInsulinAortaMyoblasts, SkeletalThighOxygen ConsumptionMice, Inbred C57BLMuscle NeoplasmsHindlimb SuspensionCatsMembrane PotentialsMuscular DystrophiesCreatine KinaseImmunohistochemistryPterygoid MusclesGuinea PigsMuscle SpasticitySkeletal Muscle Myosins