Lower ExtremityBone and BonesLegUpper ExtremityBone RemodelingExtremitiesBone DensityAmputationLeg InjuriesBones of Lower ExtremityBone ResorptionLeg BonesBone NeoplasmsBone MarrowPeripheral Vascular DiseasesBone DevelopmentBone Marrow CellsBone DiseasesIschemiaVascular Surgical ProceduresLimb SalvagePeripheral Arterial DiseaseVeinsFractures, BoneFoot BonesBone RegenerationArmTreatment OutcomeFemoral VeinBone MatrixBone TransplantationKneeVascular PatencyBiomechanical PhenomenaIntermittent ClaudicationBone Marrow TransplantationWalkingGaitPopliteal VeinLeg UlcerTibial ArteriesArterial Occlusive DiseasesTibiaFoot InjuriesFemoral ArteryBones of Upper ExtremityRetrospective StudiesDiabetic FootVenous ThrombosisGangreneTime FactorsArm InjuriesKnee JointMuscle StrengthAnklePopliteal ArteryBone SubstitutesAtherectomyAthletic InjuriesUltrasonography, Doppler, DuplexBone Diseases, MetabolicFemurAnkle Brachial IndexToesAnkle JointIliac VeinProspective StudiesSoft Tissue NeoplasmsFootFollow-Up StudiesBone Morphogenetic ProteinsLower Extremity Deformities, CongenitalHip JointVascular System InjuriesThighRange of Motion, ArticularSaphenous VeinSarcomaLymphedemaAngiographyReoperationRecovery of FunctionHipVenous InsufficiencyWeight-BearingMobility LimitationMuscle, SkeletalBone Morphogenetic Protein 2ShoesThrombophlebitisPatellofemoral Pain SyndromePhlebographyPosturePelvic BonesRisk FactorsAmputeesTomography, X-Ray ComputedHemiplegiaOsteogenesisTemporal Bone