Manipulation, SpinalManipulation, ChiropracticChiropracticSpinal CordPost-Traumatic HeadacheThoracic VertebraeManipulation, OrthopedicSpinal Cord InjuriesMedicare Part BHypesthesiaLumbosacral RegionLow Back PainMusculoskeletal ManipulationsManipulation, OsteopathicVertebral Artery DissectionIntercostal NervesSpinal DiseasesBack PainZygapophyseal JointPain MeasurementThoraxSpinal Cord NeoplasmsNerve Fibers, UnmyelinatedLaminectomySpinal Cord CompressionLumbar VertebraeParaparesisSpinal NervesSpinal Cord DiseasesEpidural NeoplasmsTreatment OutcomeParaplegiaSpinal CanalSpinal Nerve RootsSpinal NeoplasmsAutonomic DysreflexiaAutonomic Fibers, PreganglionicTuberculosis, Spinal