RadiculopathyCervical VertebraeSpinal Nerve RootsBrachial Plexus NeuritisPost-Traumatic HeadacheNeck PainForaminotomyDiskectomyManipulation, SpinalOrthotic DevicesIntervertebral DiscPain MeasurementSpondylosisTotal Disc ReplacementPhysical Therapy ModalitiesTreatment OutcomeIntervertebral Disc DisplacementSpinal FusionExercise TherapyLumbar VertebraeProspective StudiesMagnetic Resonance ImagingDecompression, SurgicalSpinal StenosisSpinal CanalInjections, EpiduralLumbosacral RegionSpinal Cord CompressionLigamentum FlavumSpinal OsteophytosisSpinal DiseasesElectrodiagnosisEpidural SpaceSciaticaNerve Compression SyndromesInternal FixatorsLaminectomyLow Back PainSynovial CystPolyradiculopathyHematoma, Epidural, SpinalSacrum