Intervertebral Disc DegenerationIntervertebral DiscIntervertebral Disc DisplacementLumbar VertebraeSpinal FusionDiskectomySpinal DiseasesTotal Disc ReplacementFibrocartilageProsthesis ImplantationProstheses and ImplantsInternal FixatorsIridoid GlycosidesSpondylolisthesisLow Back PainSpondylosisCervical VertebraeArthroplastySacrumBack PainSpinal StenosisAggrecansBone ScrewsRange of Motion, ArticularDisability EvaluationTreatment OutcomeMagnetic Resonance ImagingBiomechanical PhenomenaPain MeasurementCollagen Type IXSpineRadiculopathyDiskectomy, PercutaneousFollow-Up StudiesLordosisZygapophyseal JointSciaticaLumbosacral RegionLaminectomyPostoperative ComplicationsArthroplasty, ReplacementProspective StudiesDecompression, SurgicalBone TransplantationTemporomandibular Joint DiscImaginal DiscsNeck Pain