Estimation of the centre of mass for the study of postural control in Idiopathic Scoliosis patients: a comparison of two techniques

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Karl Franc ZabjekFrançois Prince

Abstract

The objective of the present study is to quantify the position of the Centre of Mass (COM) during quiet standing using a force plate and compare this technique to the quantification of the COM with an anthropometric model. The postural control of 18 healthy adolescents and 22 IS patients was evaluated using an Optotrak 3D kinematic system, and two AMTI force plates during quiet standing. The position of anatomical landmarks tracked by the Optotrak system served to estimate the position of the COM of both groups using an anthropometric model (COM(anth)). The force plate served to estimate the position of the COM through double integration of the horizontal ground reaction forces (COM(gl)). The mean position and root mean square (RMS) amplitude of COM(gl, )in reference to the base of support (BOS) and the first sacral prominence (S1) were quantified in the Anterior-Posterior (A/P) and Medial-Lateral (M/L) directions. There was a significant difference between the control subjects and IS patients for the displacement of the COM(gl) in reference to the BOS in both the A/P and M/L directions. There was no difference between groups for the mean position of the COM(gl), however, 63% of the IS and 43% of the controls had a lateral posi...Continue Reading

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Citations

Apr 30, 2013·The Spine Journal : Official Journal of the North American Spine Society·Hildemberg A R de SantiagoDaniela C C de Abreu
Mar 13, 2014·Neuroscience·J H PasmaC G M Meskers
Jun 30, 2012·Gait & Posture·Daniela Cristina Carvalho de AbreuHelton Luiz Aparecido Defino
Jun 23, 2018·Journal of Neuroengineering and Rehabilitation·Taeyong SimJoung Hwan Mun
Jul 8, 2015·Archives of Physiotherapy·Cassandra Kay Haber, Mark Sacco
Jan 14, 2020·BioMed Research International·Marzena WiernickaPiotr Kocur

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