Biomechanical PhenomenaStress, MechanicalWeight-BearingFinite Element AnalysisCadaverTensile StrengthElasticityCompressive StrengthBone ScrewsRange of Motion, ArticularModels, AnatomicBone PlatesElastic ModulusInternal FixatorsLumbar VertebraeMaterials TestingFemurGaitBony CallusTendonsSpineModels, Biological