Bone MalalignmentArthritis, RheumatoidArthritisBone and BonesArthritis, ExperimentalArthritis, InfectiousCoxa VaraKnee JointBone RemodelingOsteoarthritis, KneeArthritis, JuvenileBone DensityPatellaArthritis, PsoriaticFemurTibiaBone ResorptionArthritis, ReactiveBone MarrowHallux VarusBracesPatellar DislocationBone Marrow CellsBone NeoplasmsBone DevelopmentFoot DeformitiesBone DiseasesOsteotomyBone TransplantationBone NailsTibial FracturesJointsSpinal CurvaturesSynovial MembraneFractures, ClosedQuadriceps MuscleWeight-BearingBone PlatesExternal FixatorsJoint InstabilityArthroplasty, Replacement, KneeRange of Motion, ArticularFracture Fixation, IntramedullarySynovial FluidBone RegenerationBone LengtheningBiomechanical PhenomenaAnkle JointLordosisShoesBone AnteversionBone MatrixTreatment OutcomeBone Marrow TransplantationDislocationsFemoral FracturesSeverity of Illness IndexFracture HealingCartilage, ArticularArthritis, GoutyFibulaMenisci, TibialKnee ProsthesisRheumatoid FactorFracture Fixation, InternalFootMice, Inbred DBABone Diseases, MetabolicFractures, BoneHeart Septal Defects, VentricularBone SubstitutesSynovitisOsteoarthritisPostoperative ComplicationsSpinal FusionBone Morphogenetic ProteinsRetrospective StudiesGaitCollagen Type IIFollow-Up StudiesTime FactorsBone Morphogenetic Protein 2OsteoclastsOsteogenesis