AtrophyMuscle WeaknessMusclesMuscular AtrophyMuscle, SkeletalMuscle ProteinsMuscle, SmoothSciatic NerveMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionPeripheral NervesMuscle DevelopmentOptic AtrophyMuscular Atrophy, SpinalNerve FibersOptic NerveMuscle DenervationMuscle FatigueMuscle Fibers, Fast-TwitchNerve RegenerationMuscle Fibers, Slow-TwitchMultiple System AtrophySural NerveNerve BlockMuscular DiseasesRespiratory MusclesMedian NerveMitochondria, MuscleSpinal Muscular Atrophies of ChildhoodNerve EndingsTibial NerveOculomotor MusclesFacial NerveElectromyographyUlnar NerveNeck MusclesMyocytes, Smooth MuscleNerve CrushPeripheral Nerve InjuriesQuadriceps MuscleFemoral NerveMuscle SpindlesMuscle, StriatedMuscle RelaxationElectric StimulationSpinal NervesDiaphragmMotor NeuronsNeural ConductionPhrenic NervePapillary MusclesSpinal Nerve RootsFacial MusclesAbdominal MusclesIsometric ContractionNeuromuscular DiseasesOlivopontocerebellar AtrophiesMagnetic Resonance ImagingNerve Growth FactorsTrigeminal NerveNerve Compression SyndromesMuscle CellsNerve Growth FactorRadial NerveCranial NervesMasseter MuscleMasticatory MusclesGyrate AtrophyNeuromuscular JunctionMuscular Disorders, AtrophicSatellite Cells, Skeletal MuscleIntercostal MusclesHindlimb SuspensionHindlimbRats, Sprague-DawleyNerve TissueOphthalmic NerveMandibular NerveAxonsGeographic AtrophyPectoralis MusclesTime FactorsNerve Fibers, MyelinatedMyofibrilsRabbitsMyosin Heavy ChainsCells, CulturedDisease Models, AnimalSurvival of Motor Neuron 1 ProteinMyositisRats, WistarNerve Tissue ProteinsSympathetic Nervous SystemNerve DegenerationCalciumSplanchnic NervesCochlear NerveOptic Nerve DiseasesAccessory Nerve