Thoracic VertebraeMusculoskeletal DiseasesMusculoskeletal SystemSpineMusculoskeletal PainSpinal NeoplasmsSpinal DiseasesSpinal Cord CompressionKyphosisSpinal FusionLaminectomySpinal FracturesSpinal CurvaturesLumbar VertebraeScoliosisCervical VertebraeBone ScrewsParaparesisOrthopedic ProceduresBack PainSpinal InjuriesManubriumManipulation, SpinalOccupational DiseasesMusculoskeletal DevelopmentHuman EngineeringNeck PainInternal FixatorsMusculoskeletal AbnormalitiesMusculoskeletal Physiological PhenomenaSpondylitisEpidural SpaceDecompression, SurgicalVertebroplastyMelorheostosisMagnetic Resonance ImagingSpinal CanalCementoplastyNeurosurgical ProceduresTomography, X-Ray ComputedCumulative Trauma DisordersHematoma, Epidural, SpinalEpidural NeoplasmsParaplegiaSternumCadaverDiscitisDura MaterRange of Motion, ArticularPostureThoracic InjuriesBrown-Sequard SyndromeOrthopedic Fixation DevicesRibsFluoroscopyRadiographyMusculoskeletal Physiological ProcessesNeck InjuriesArachnoiditisTuberculosis, SpinalTreatment OutcomeComputer TerminalsLordosisIntervertebral DiscSpinal Cord DiseasesSacrumSpinal Cord NeoplasmsMuscle NeoplasmsHyperostosis, Diffuse Idiopathic SkeletalThoraxPainThoracotomyBiomechanical PhenomenaDiskectomyMyelographyShoulder PainChordomaIntervertebral Disc DisplacementRetrospective StudiesRheumatologySick LeavePain MeasurementLow Back PainOccupational HealthWorkloadUpper ExtremityRadiography, ThoracicShoulderReproducibility of ResultsQuestionnairesOrthopedicsBack InjuriesSpinal Cord InjuriesMuscular DiseasesPostoperative ComplicationsSpinal CordLiftingFollow-Up StudiesAbsenteeismArthralgia