On the determination of the angular orientation of a vertebra

B.C.E. Goris, M. Kuipers, J. de Vries, D.J. Wever, G.J. Verkerke, A.G. Veldhuizen*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)


In this paper we consider the spatial orientation of vertebrae. We take the view that, in determining their rotation angles from X-rays, the procedure applied by Drerup yields the most reliable empirical results, viz. the three angles through which a vertebra rotates about its own symmetry axes in a specific sequence. With a view to the further use of this information to analyze deformations or the motion of a spine we recommend that the Drerup angles be converted into the well-known Eulerian angles. How this can be done is the subject of this report.

Original languageEnglish
Pages (from-to)134-136
Number of pages3
JournalJournal of biomechanical engineering
Issue number1
Publication statusPublished - 4 Mar 2002
Externally publishedYes


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