Arthritis, RheumatoidArthritisArthritis, ExperimentalArthritis, InfectiousArthritis, JuvenileArthritis, PsoriaticElasticityArthritis, ReactiveJointsSynovial MembraneBiomechanical PhenomenaSynovial FluidElastic ModulusArthritis, GoutyPulse Wave AnalysisRheumatoid FactorElasticity Imaging TechniquesPulsatile FlowOsteoarthritisSynovitisMice, Inbred DBAComplianceStress, MechanicalArteriesSeverity of Illness IndexCollagen Type IIKnee JointAnkle JointPulseBlood SedimentationMethotrexateCollagenRats, Inbred LewInjections, Intra-ArticularJoint DiseasesAutoantibodiesRange of Motion, ArticularMetacarpophalangeal JointTumor Necrosis Factor-alphaAnkleArthrographyRheumatic DiseasesTensile StrengthTreatment OutcomeSpondylitis, AnkylosingImmunoglobulin GBlood PressureDisease Models, AnimalRheumatologyCarotid ArteriesMechanical ProcessesFinger JointTime FactorsWrist JointSulfasalazineAortaVascular ResistanceGold Sodium ThiomalateFinite Element AnalysisWeight-BearingPeptides, CyclicBiological MarkersBlood Flow VelocityAntibodies, MonoclonalCartilage, ArticularAutoimmune DiseasesMuscle ContractionRheumatoid NoduleCase-Control StudiesHLA-DRB1 ChainsMicroscopy, Atomic ForceAnti-Inflammatory AgentsSarcomeresPliabilityMuscle RigidityTarsal JointsReceptors, Tumor Necrosis FactorRisk FactorsArthralgiaPainDiastoleCells, CulturedCompressive StrengthProspective StudiesLyme DiseaseModels, BiologicalMechanical PhenomenaFollow-Up StudiesHLA-DR4 AntigenElbow JointTorqueReproducibility of ResultsBrachial ArteryInflammationHand JointsViscosityConnectinHLA-DR AntigensCytokinesDisability Evaluation