5)cervicalvertebral颈椎1.MethodsCompressivetestswereconductedon6humancervicalvertebralsegmentsand4humanlumbarvertebralsegmentsusingMTS,andthecurvesofcompressiveloadversusdeflectionwereobtained.结果颈椎节段的平均屈服压力为2267N,平均屈服变形为12。2.Objectives:First,tomeasurethecervicalspinalcanalandcervicalspinalcordvolumeofhealthypeopleandcadaversthroughpouringandonMRI,andalsotoevaluatethedynamicchangesofthecervicalspinalcanalandcervicalspinalcordvolumewiththeanglechangeofthecervicalvertebral.通过灌注法及利用核磁共振测量尸体标本和正常人群的颈椎管容积及脊髓的体积,并探讨其动态变化趋势;2。