Muscle, SkeletalMusclesMuscle Fibers, SkeletalMechanoreceptorsMuscle ContractionMuscle ProteinsMuscle SpindlesMuscle, SmoothMuscle DevelopmentKinesthesisMuscle, Smooth, VascularCatsReflex, StretchMuscle Fibers, Fast-TwitchNeurons, AfferentSensory Receptor CellsReceptors, CholinergicMuscle Fibers, Slow-TwitchMitochondria, MuscleProprioceptionMuscle DenervationMuscle FatigueAfferent PathwaysElectric StimulationSciatic NervePressoreceptorsSatellite Cells, Skeletal MuscleMuscular AtrophyMyocytes, Smooth MusclePeripheral NervesOculomotor MusclesAction PotentialsNeck MusclesMuscle, StriatedMuscle WeaknessMuscle RelaxationReceptors, NicotinicMuscular DiseasesMuscle CellsQuadriceps MuscleNerve FibersRespiratory MusclesRabbitsIsometric ContractionPapillary MusclesOptic NerveHindlimbMyofibrilsAbdominal MusclesElectromyographyNerve RegenerationMasseter MuscleCalciumMyoblastsGlycogenFacial MusclesMyosin Heavy ChainsMasticatory MusclesIntercostal MusclesRats, Sprague-DawleyRNA, MessengerCells, CulturedMyoblasts, SkeletalDiaphragmNerve EndingsInsulinPsoas MusclesRats, WistarTime FactorsPectoralis MusclesMyoD ProteinMyostatinRegenerationMuscular Dystrophy, AnimalNerve BlockNeuromuscular JunctionTibial NerveMice, Inbred mdxMotor NeuronsSarcoplasmic ReticulumNerve CrushMedian NerveSural NervePhysical ExertionFacial NerveExerciseGlucoseMyocardiumUlnar NervePeripheral Nerve InjuriesMice, Inbred C57BLSarcomeresKineticsSarcolemmaActinsGene Expression RegulationDystrophinTemporal MuscleSignal TransductionFemoral Nerve