The mechanics of the lumbar spine are dependent on the morphology of the vertebral bodies and their alignment. As intersubject anatomic variability is significant, this paper developed a method to characterize shape and alignment variability in the lumbar spine using statistical shape modeling techniques. The primary modes of variation between subjects were sagittal plane curvature of the spine and height of the discs. Quantifying the biomechanical variation of the lumbar spine across the population facilitates designers and clinicians in making informed decisions regarding implant sizing and component placement.
- Bioengineering Division
Statistical Shape and Alignment Modeling of the Lumbar Spine
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Hollenbeck, JFM, Rullkoetter, PJ, Cain, C, Fitzpatrick, CK, & Laz, PJ. "Statistical Shape and Alignment Modeling of the Lumbar Spine." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions. Sunriver, Oregon, USA. June 26–29, 2013. V01BT59A003. ASME. https://doi.org/10.1115/SBC2013-14337
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