Manickam Pechimuthu Susai, Roy Sandipan
Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India.
Int J Artif Organs. 2022 Jan;45(1):89-95. doi: 10.1177/0391398821995495. Epub 2021 Mar 1.
The biomechanical study helps us to understand the mechanics of the human cervical spine. A three dimensional Finite Element (FE) model for C3 to C6 level was developed using computed tomography (CT) scan data to study the mechanical behaviour of the cervical spine. A moment of 1 Nm was applied at the top of C3 vertebral end plate and all degrees of freedom of bottom end plate of C6 were constrained. The physiological motion of the cervical spine was validated using published experimental and FE analysis results. The von Mises stress distribution across the intervertebral disc was calculated along with range of motion. It was observed that the predicted results of functional spine units using FE analysis replicate the real behaviour of the cervical spine.
生物力学研究有助于我们了解人体颈椎的力学原理。利用计算机断层扫描（CT）扫描数据建立了C3至C6节段的三维有限元（FE）模型，以研究颈椎的力学行为。在C3椎体终板顶部施加1 Nm的力矩，并约束C6椎体终板底部的所有自由度。利用已发表的实验和有限元分析结果对颈椎的生理运动进行了验证。计算了椎间盘上的von Mises应力分布以及运动范围。结果表明，有限元分析预测的功能脊柱单元结果与颈椎的实际行为相符。
