Knee JointTibiaOsteoarthritis, KneeFemurWeight-BearingArthrometry, ArticularCartilage, ArticularMedial Collateral Ligament, KneeMenisci, TibialPatient PositioningBiomechanical PhenomenaJointsAnterior Cruciate LigamentMagnetic Resonance ImagingOsteoarthritisStress, MechanicalGenu ValgumPatellofemoral JointBone MalalignmentDisease ProgressionPatellaJoint DiseasesRange of Motion, ArticularPosterior Cruciate LigamentKnee InjuriesCartilage DiseasesFinger JointJoint InstabilityKnee ProsthesisKneeArthroplasty, Replacement, KneeCollateral LigamentsGenu VarumAnterior Cruciate Ligament ReconstructionFluoroscopyPaleopathologyAnkle JointArthrographyBone Marrow DiseasesCadaverRotationHip JointTarsal JointsJoint Deformities, AcquiredArthralgiaPatellofemoral Pain SyndromeRadiographic MagnificationWrist JointGaitLigaments, ArticularSynovitisJoint CapsulePosturePatellar LigamentSacroiliac JointFrictionOsteotomyFinite Element AnalysisQuadriceps MusclePhotogrammetryPainSeverity of Illness IndexTemporomandibular Joint DisordersMetatarsophalangeal JointFoot JointsMovementArthroscopyProsthesis DesignShoulder JointJoint ProsthesisReproducibility of ResultsWalkingImaging, Three-DimensionalLongitudinal StudiesTemporomandibular Joint DiscReconstructive Surgical ProceduresAcromioclavicular JointProspective StudiesFollow-Up StudiesPain MeasurementAnthropometryTreatment OutcomeArthritis, RheumatoidObserver VariationSternoclavicular JointSynovial FluidInjections, Intra-ArticularCohort StudiesRecovery of FunctionPressureCarpometacarpal JointsImage Interpretation, Computer-AssistedSynovial MembraneRisk FactorsCross-Sectional StudiesProsthesis FailureElectromyographyTime FactorsArthritis, ExperimentalArthritis, Infectious