Piriformis Muscle SyndromeSciatic NerveButtocksSciatic NeuropathySciaticaNerve Compression SyndromesPeripheral NervesNerve RegenerationNerve CrushFluoroscopyPyomyositisCadaverNerve BlockPeripheral Nerve InjuriesNerve FibersMyxosarcomaNeedlesSchwann CellsOptic NerveNeuromuscular DiseasesAnesthetics, LocalNeural ConductionTibial NerveAxonsInjections, IntramuscularFemoral NerveMyelin SheathSural NerveGanglia, SpinalInjectionsPainAxotomyRadiography, InterventionalAbscessNerve EndingsSpinal NervesNerve TissuePain ManagementRats, Sprague-DawleyNeuralgiaNerve Growth FactorsSpinal Nerve RootsMuscle, SkeletalMedian NerveFacial NerveNerve Growth FactorSyndromeHyperalgesiaPeripheral Nervous System DiseasesUlnar NerveNerve Fibers, MyelinatedWallerian DegenerationDiabetic NeuropathiesAxonal TransportNeurons, AfferentPeripheral Nervous System NeoplasmsSpinal CordDenervationBotulinum ToxinsElectric StimulationPeripheral Nervous SystemHyperesthesiaMotor NeuronsUltrasonography, InterventionalTrigeminal NerveNerve DegenerationNeuritisLumbosacral PlexusPhrenic NerveRadial NerveCranial NervesRats, WistarNerve Fibers, UnmyelinatedNerve Tissue ProteinsRanvier's NodesSorbitolReceptors, Nerve Growth FactorOphthalmic NerveHindlimbMandibular NerveGAP-43 ProteinMuscle DenervationLidocaineMagnetic Resonance ImagingLigationPain MeasurementDisease Models, AnimalAction PotentialsPosterior Horn CellsMyelin P0 ProteinFoot