AspirinPainLegSciaticaLow Back PainBack PainPain MeasurementChronic PainPain ManagementPain, PostoperativeRadiculopathyPain ThresholdSpinal StenosisLumbar VertebraeIntervertebral Disc DisplacementAbdominal PainNeck PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredDiskectomyLeg UlcerDisability EvaluationShoulder PainTotal Disc ReplacementTreatment OutcomeMusculoskeletal PainAnti-Inflammatory Agents, Non-SteroidalSpinal FusionPlatelet Aggregation InhibitorsSpondylolisthesisIntermittent ClaudicationFailed Back Surgery SyndromeDecompression, SurgicalSpinal Nerve RootsLumbosacral RegionAnalgesicsLaminectomyIntervertebral Disc DegenerationProspective StudiesParesthesiaSpinal DiseasesRestless Legs SyndromeInjections, EpiduralNeuralgiaNociceptive PainQuestionnairesIntervertebral DiscFollow-Up StudiesSurgical Procedures, Minimally InvasiveChronic DiseaseAnalgesics, OpioidPiriformis Muscle SyndromeTissue AdhesionsSeverity of Illness IndexIntervertebral Disc ChemolysisMyofascial Pain SyndromesHyperalgesiaSpineRetrospective StudiesComplex Regional Pain SyndromesVisceral PainTiclopidineTime FactorsSpinal CanalThromboxane B2Cyclooxygenase InhibitorsDouble-Blind MethodArthralgiaAnklePhysical Therapy ModalitiesButtocksOklahomaPeripheral Vascular DiseasesSpondylosisOutcome Assessment (Health Care)AnalgesiaQuality of LifePlatelet AggregationSalicylatesLabor PainMagnetic Resonance ImagingRisk FactorsWalkingPostoperative ComplicationsDrug Therapy, CombinationNociceptorsPlatelet Function TestsPreoperative PeriodCohort StudiesPhysical ExertionEndoscopyLeg InjuriesCross-Sectional StudiesAnesthetics, LocalFibromyalgiaRecovery of Function