Video analysis of spine biomechanics as an objective method of functional diagnostics

A. Malkov, S. N. Kondrat'ev
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Abstract

The present scientific review of medical and technical literature presents the attempt to assess modern technological stage of spine biomechanical hardware diagnostics in terms of its objectivity, as well as diagnostic and prognostic value on the example of etiopathogenesis analysis of spine degenerative-dystrophic diseases. A set of structural and extra vertebral factors contributing to the onset and progression of spine degenerative-dystrophic diseases was identifi ed to determine diagnostic and prognostic value studying particular literature sources, which use empirical and mathematical research methods. Central indicator value of intersegmental compression-distractive kinetics and loads shift s related to these factors was also determined. When considering the objectivity of spine biomechanics video analysis, the reliability of kinetics and spinal motion segments kinematics was separately assessed. Furthermore, impropriety of the latter was established in terms of reliability and repeatability of diagnostic results. Only vertical force indicator is valid in kinetics, reflecting intersegmental compression load, due to the sufficient objectivity and weak dependence of its values on the type of computer mathematical models used by commercial systems of video motion analysis. Walking is optimal motional act for calculating vertical force by modern optoelectronic soft ware and hardware systems.
脊柱生物力学视频分析作为一种客观的功能诊断方法
本文以脊柱退行性营养不良疾病的病因分析为例,对脊柱生物力学硬件诊断的客观性、诊断和预后价值等方面的现代技术水平进行了综述。通过研究特定文献来源,采用实证和数学研究方法,确定了一组与脊柱退行性营养不良疾病的发生和进展有关的结构和额外椎体因素,以确定诊断和预后价值。确定了与这些因素相关的节间压缩-分散动力学和负荷转移的中心指标值。考虑到脊柱生物力学视频分析的客观性,分别评估了动力学和脊柱运动节段运动学的可靠性。此外,后者在诊断结果的可靠性和可重复性方面是不适当的。在动力学中,只有垂直力指示器是有效的,它反映了节段间的压缩载荷,因为它的值足够客观,并且对商业视频运动分析系统所使用的计算机数学模型类型的依赖性较弱。行走是现代光电软硬件系统计算垂直力的最佳运动动作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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