RadiculopathySpinal Nerve RootsCervical VertebraeLumbar VertebraeIntervertebral Disc DisplacementSpinal StenosisSpinal CanalInjections, EpiduralTotal Disc ReplacementSpondylosisLumbosacral RegionLigamentum FlavumDiskectomySpinal OsteophytosisPost-Traumatic HeadacheElectrodiagnosisIntervertebral DiscEpidural SpaceSciaticaNerve Compression SyndromesBrachial Plexus NeuritisLaminectomyLow Back PainNeck PainForaminotomySynovial CystSpinal Cord CompressionPolyradiculopathyHematoma, Epidural, SpinalSacrumLumbosacral PlexusZygapophyseal JointPain MeasurementSpinal Cord DiseasesDecompression, SurgicalSpinal FusionCauda EquinaSpinal DiseasesParaspinal MusclesMagnetic Resonance ImagingBrachial Plexus NeuropathiesTreatment OutcomeSpondylolisthesisMuscle WeaknessNerve BlockMyelographyFluoroscopyParesthesiaManipulation, SpinalBack PainPeripheral Nervous System DiseasesDura MaterMeningeal CarcinomatosisBursitisInternal FixatorsTarlov CystsOrthotic DevicesNeurosurgical ProceduresFibrocartilageLameness, AnimalMusculoskeletal ManipulationsPhysical ExaminationTriamcinolonePatient PositioningSurgical Procedures, Minimally InvasiveArthroplastyImmobilization