VeinsUltrasonography, Doppler, DuplexLegVascular PatencyLower ExtremityGraft Occlusion, VascularIschemiaFemoral VeinSaphenous VeinVascular Surgical ProceduresUpper ExtremityExtremitiesAmputationLeg InjuriesVaricose VeinsPortal VeinBones of Lower ExtremityPeripheral Vascular DiseasesPopliteal VeinIliac VeinLeg BonesPulmonary VeinsJugular VeinsLimb SalvagePeripheral Arterial DiseaseRenal VeinsVenous ThrombosisArmTreatment OutcomeMesenteric VeinsUmbilical VeinsIntermittent ClaudicationKneeArterial Occlusive DiseasesFemoral ArteryLeg UlcerVenous InsufficiencyWalkingGaitTibial ArteriesPhlebographyFoot BonesHepatic VeinsSubclavian VeinPopliteal ArteryFoot InjuriesRetrospective StudiesGangreneThrombophlebitisDiabetic FootArm InjuriesBiomechanical PhenomenaTime FactorsAnkleMuscle StrengthAtherectomyAthletic InjuriesToesAnkle Brachial IndexBones of Upper ExtremityKnee JointAngiographyAnkle JointProspective StudiesThighFootSplenic VeinVascular System InjuriesFollow-Up StudiesAxillary VeinReoperationCerebral VeinsLower Extremity Deformities, CongenitalLymphedemaSoft Tissue NeoplasmsBrachiocephalic VeinsRange of Motion, ArticularMobility LimitationSarcomaPostureRecovery of FunctionShoesHip JointPatellofemoral Pain SyndromeMuscle, SkeletalUpper Extremity Deep Vein ThrombosisRetinal VeinRisk FactorsAmputeesHemiplegiaSoft Tissue InjuriesAzygos VeinBlood Vessel Prosthesis ImplantationPulmonary EmbolismParaparesisPostoperative ComplicationsCompression BandagesIliac ArteryMovementFascia