简介：Objective:Toprovideanewmethodtoestimatetheeffectivenessofthoracolumbarvertebralfiniteelementmodel.Methods:amechanicalmodelofhumanthoracolumbarvertebraemotionsegmentwasmadeusingthree-dimensionalfiniteelementmethodandthestressdistributionofverticallycompressedthoracolumbarvertebraewasanalyzed,meanwhile,20patientswithburstfractureofthoracolumbarvertebraeweretestedbyCTtocalculatedaverageCTvalueatascertaineddifferentpointsofthoracolumbarvertebrae.Thecalculatedresultsandeffectivestressatthesamepositionwereanalyzedwithstraightlinecorrelation.Results:ThestresslevelofdifferentpositionofthoracolumbarvertebraeunderverticalcompressiveforcewaspositivelycorrelatedwiththecorrelativeCTvalue,andtheregressivestyle,Y-214.028±45.268x,r=0.7386,P<0.05(N=8)showedastatisticalsignificance.Conclusions:Tostudymechanismofthoracolumbarvertebraeinjuriesunderdifferentforceshasclinicalsignificance.

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