PainForearm InjuriesChronic PainPain ManagementPain ThresholdPain, PostoperativeLow Back PainBack PainPain MeasurementNeck PainAbdominal PainPain, IntractableRegional Blood FlowPlethysmographyPelvic PainUlna FracturesPain PerceptionFacial PainAcute PainPain, ReferredShoulder PainPronationMusculoskeletal PainVasodilationRadiusSupinationBrachial ArteryRadius FracturesNitroprussideInfusions, Intra-Arterialomega-N-MethylarginineHyperemiaVascular ResistanceAnalgesicsLower Body Negative PressureNociceptive PainNeuralgiaHand StrengthArmHandVeinsMuscle, SkeletalVasodilator AgentsSkinHyperalgesiaAnalgesics, OpioidChronic DiseaseUlnar ArteryWristMyofascial Pain SyndromesBlood PressureTreatment OutcomeComplex Regional Pain SyndromesVisceral PainSkin TemperatureDouble-Blind MethodTourniquetsBlood Flow VelocityTime FactorsRadial NerveArthralgiaHeart RateSweatingElbowElbow JointAnalgesiaVasoconstrictionLaser-Doppler FlowmetryAcetylcholineAnesthetics, LocalLabor PainArteriovenous Shunt, SurgicalSympathetic Nervous SystemInjections, Intra-ArterialExerciseNociceptorsRange of Motion, ArticularAnalysis of VarianceElectromyographyCumulative Trauma DisordersProspective StudiesKetorolacWrist JointQuestionnairesNorepinephrineReflexLegLidocaineEndothelium, VascularCross-Over StudiesPostureFree Tissue FlapsSkin Physiological PhenomenaPrilocaineMovementDose-Response Relationship, DrugNerve BlockFibromyalgiaHot TemperatureCold Temperature