PainArmChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementNeck PainAbdominal PainPain, IntractablePelvic PainPain PerceptionFacial PainAcute PainPain, ReferredShoulder PainMusculoskeletal PainAnalgesicsNociceptive PainNeuralgiaAnalgesics, OpioidTreatment OutcomeHyperalgesiaMyofascial Pain SyndromesChronic DiseaseComplex Regional Pain SyndromesVisceral PainArthralgiaAnalgesiaLabor PainNociceptorsQuestionnairesDisability EvaluationProspective StudiesDouble-Blind MethodAnesthetics, LocalFibromyalgiaArm InjuriesCatastrophizationTime FactorsFlank PainFollow-Up StudiesEye PainMovementSeverity of Illness IndexQuality of LifeAnalgesics, Non-NarcoticMorphineRange of Motion, ArticularPhysical Therapy ModalitiesInjections, SpinalLidocaineNerve BlockMusculoskeletal DiseasesSciaticaToothacheOsteoarthritis, KneePhantom LimbShoulderNociceptionRadiculopathyPeripheral Nervous System DiseasesSpinal NervesKnee JointAnalysis of VarianceTrigeminal NeuralgiaTemporomandibular Joint DisordersSpinal CordExercise TherapyIntervertebral Disc DisplacementTranscutaneous Electric Nerve StimulationRetrospective StudiesBiomechanical PhenomenaAcupuncture AnalgesiaActivities of Daily LivingMagnetic Resonance ImagingRecovery of FunctionTramadolCyclohexanecarboxylic AcidsSingle-Blind MethodAnti-Inflammatory Agents, Non-SteroidalLumbosacral RegionHot TemperatureOxycodoneBupivacaineAnxietyCross-Sectional StudiesAcupuncture TherapyHeadachePalliative CareOsteoarthritisDrug Administration ScheduleUpper ExtremityHandInjections, Intra-ArticularPostureElectric Stimulation TherapyAcute Disease