ElasticityArteriesVascular StiffnessComplianceRadial ArteryElasticity Imaging TechniquesAtherosclerosisPulsatile FlowVascular ResistanceCarotid ArteriesBlood PressureCross-Sectional StudiesRisk FactorsElastic ModulusViscosityConnectinStress, MechanicalMicroscopy, Atomic ForceBiomechanical PhenomenaTensile StrengthRheologyHardness TestsElastic TissueUltrasonography, MammaryCompressive StrengthModels, BiologicalFinite Element AnalysisTaxesElastinElastomersHardness