Estimating 3D L5/S1 moments and ground reaction forces during trunk bending using a full-body ambulatory inertial motion capture system

Journal of Biomechanics
Gert S FaberJaap H van Dieën

Abstract

Inertial motion capture (IMC) systems have become increasingly popular for ambulatory movement analysis. However, few studies have attempted to use these measurement techniques to estimate kinetic variables, such as joint moments and ground reaction forces (GRFs). Therefore, we investigated the performance of a full-body ambulatory IMC system in estimating 3D L5/S1 moments and GRFs during symmetric, asymmetric and fast trunk bending, performed by nine male participants. Using an ambulatory IMC system (Xsens/MVN), L5/S1 moments were estimated based on the upper-body segment kinematics using a top-down inverse dynamics analysis, and GRFs were estimated based on full-body segment accelerations. As a reference, a laboratory measurement system was utilized: GRFs were measured with Kistler force plates (FPs), and L5/S1 moments were calculated using a bottom-up inverse dynamics model based on FP data and lower-body kinematics measured with an optical motion capture system (OMC). Correspondence between the OMC+FP and IMC systems was quantified by calculating root-mean-square errors (RMSerrors) of moment/force time series and the interclass correlation (ICC) of the absolute peak moments/forces. Averaged over subjects, L5/S1 moment RMSer...Continue Reading

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Citations

Mar 1, 2016·Journal of Biomechanics·Aboulfazl Shirazi-AdlIdsart Kingma
Jan 23, 2018·Work : a Journal of Prevention, Assessment, and Rehabilitation·B G BransonS F Siddicky
May 30, 2019·Journal of Sports Sciences·Andrew WinnardNick Caplan
Nov 22, 2019·Annals of Biomedical Engineering·Frederik Greve LarsenSebastian Skals
Aug 23, 2020·International Journal of Environmental Research and Public Health·Chunxi HuangShuping Xiong
May 11, 2018·European Journal of Sport Science·Lotte L LintmeijerMathijs J Hofmijster
May 18, 2017·Annals of Biomedical Engineering·Parker G RosquistAnton E Bowden
Oct 2, 2020·International Journal of Environmental Research and Public Health·Micaela PortaMaury A Nussbaum
Dec 31, 2020·Sensors·Song-Bi LeeJoo-Hyeon Lee
May 1, 2021·Sensors·Charlotte Christina RoossienGijsbertus Jacob Verkerke
Jul 25, 2021·International Journal of Environmental Research and Public Health·Colleen BrentsJohn Rosecrance

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