Knee JointKneeOsteoarthritis, KneeArthroplasty, Replacement, KneeKnee ProsthesisKnee InjuriesRange of Motion, ArticularKnee DislocationPatellaAnterior Cruciate LigamentTibiaMenisci, TibialMedial Collateral Ligament, KneeArthralgiaCartilage, ArticularBiomechanical PhenomenaWeight-BearingJoint InstabilityArthroscopyOsteoarthritisBone MalalignmentPosterior Cruciate LigamentLigaments, ArticularPain MeasurementGaitQuadriceps MusclePainJoint DiseasesTreatment OutcomeProsthesis DesignRecovery of FunctionMuscle StrengthJoint Deformities, AcquiredProsthesis FailureReoperationArthrometry, ArticularWalkingOsteophyteSynovitisMagnetic Resonance ImagingTorquePatellofemoral JointContractureSeverity of Illness IndexSynovial FluidHemarthrosisPatellar LigamentFollow-Up StudiesAnkle JointArthroplasty, Replacement, HipProsthesis-Related InfectionsMovementArthrographyPopliteal CystAnterior Cruciate Ligament ReconstructionProspective StudiesSynovial MembraneHipMuscle, SkeletalAthletic InjuriesPostoperative ComplicationsShoesThighRotationRuptureSurgery, Computer-AssistedOrthopedic ProceduresFemoral NerveTendonsOsteochondritis DissecansReconstructive Surgical ProceduresTourniquetsProprioceptionMuscle Strength DynamometerExercise TherapyBracesTime FactorsReproducibility of ResultsOrthotic DevicesPain, PostoperativeElectromyographyIsometric ContractionLegChondrocalcinosisDisease ProgressionSoccerPostureRetrospective StudiesArthritis, InfectiousMotion Therapy, Continuous PassiveDisability EvaluationStifleHyaluronic AcidCollateral LigamentsArthroplastyCadaverArthritis, RheumatoidBone Marrow DiseasesArthrodesisCoxa Vara