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Updated: Mar 9, 2026
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Measurement and Geometric Modelling of Human Spine Posture for Medical Rehabilitation Purposes Using a Wearable
Gheorghe-Daniel Voinea1, Silviu Butnariu2, Gheorghe Mogan3
1Department of Automotive and Transport Engineering, Transilvania University of Brasov, 29 Eroilor Blvd, RO-500036 Brasov, Romania. daniel.voinea@unitbv.ro.
Abstract:
This paper presents a mathematical model that can be used to virtually reconstruct the posture of the human spine. By using orientation angles from a wearable monitoring system based on inertial sensors, the model calculates and represents the curvature of the spine. Several hypotheses are taken into consideration to increase the model precision. An estimation of the postures that can be calculated is also presented. A non-invasive solution to identify the human back shape can help reducing the time needed for medical rehabilitation sessions. Moreover, it prevents future problems caused by poor posture.
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