Comparison of morphing techniques to develop subject-specific finite element models of vertebrae

Rafael I. Rubenstein, Mitesh Lalwala, Karan Devane, Bharath Koya, Bahram Kiani and Ashley A. Weaver

Computer Methods in Biomechanics and Biomedical Engineering, 2023, vol. 26, issue 11, 1288-1293

Abstract: This study compared two morphing techniques (and their serial combination) to create subject-specific finite element models of 15 astronaut vertebrae. Surface deviations of the morphed models were compared against subject geometries extracted from medical images. The optimal morphing process yielded models with minimal difference in root-mean-square (RMS) deviation (C3, 0.52 ± 0.14 mm; T3, 0.34 ± 0.04 mm; L1, 0.59 ± 0.16 mm) of the subject’s vertebral geometry.

Date: 2023
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DOI: 10.1080/10255842.2022.2113994

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