Spinal NervesSpinal Nerve RootsMusclesSpinal CordMuscle WeaknessSciatic NerveMuscle, SkeletalMuscle ProteinsMuscle, SmoothPeripheral NervesNeuralgiaPeripheral Nerve InjuriesMuscle Fibers, SkeletalNerve FibersMuscle, Smooth, VascularSpinal Cord InjuriesMuscle ContractionMuscle DevelopmentInjections, SpinalLigationOptic NerveHyperalgesiaNerve RegenerationPeripheral Nervous System DiseasesRats, Sprague-DawleyGanglia, SpinalLumbosacral RegionMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchNerve BlockNerve Compression SyndromesMotor NeuronsNerve EndingsSural NerveTibial NerveMedian NerveElectric StimulationFacial NerveMitochondria, MuscleNerve CrushMyocytes, Smooth MuscleNeck MusclesOculomotor MusclesUlnar NerveRespiratory MusclesPainElectromyographyMuscle SpindlesNeurons, AfferentFemoral NerveRadiculopathyMuscle, StriatedMuscle RelaxationNeural ConductionHindlimbAxonsPain MeasurementPain ThresholdQuadriceps MusclePhrenic NerveSpinal Cord NeoplasmsPapillary MusclesMuscular AtrophyPeripheral Nervous System NeoplasmsPhysical StimulationNeuritisDisease Models, AnimalMuscular DiseasesAxotomyNerve Fibers, MyelinatedNerve Growth FactorsTrigeminal NerveAbdominal MusclesMononeuropathiesFacial MusclesNerve Growth FactorRadial NervePosterior Horn CellsCranial NervesMuscle CellsLumbar VertebraeMasseter MuscleSpinal Cord DiseasesIsometric ContractionHyperesthesiaMasticatory MusclesAnalgesicsNerve TissueSciaticaLumbosacral PlexusIntercostal MusclesRats, WistarTime FactorsDiaphragmRhizotomyCyclohexanecarboxylic AcidsAction PotentialsAnesthesia, Spinal