On Laterally Perturbed Human Stance: Experiment, Model, and Control

Applied Bionics and Biomechanics
Dan SuissaSyn Schmitt

Abstract

Understanding human balance is a key issue in many research areas. One goal is to suggest analytical models for the human balance. Specifically, we are interested in the stability of a subject when a lateral perturbation is being applied. Therefore, we conducted an experiment, laterally perturbing five subjects on a mobile platform. We observed that the recorded motion is divided into two parts. The legs act together as a first, the head-arms-trunk segment as a second rigid body with pelvis, and the ankle as hinge joints. Hence, we suggest using a planar double-inverted pendulum model for the analysis. We try to reproduce the human reaction utilizing torque control, applied at the ankle and pelvis. The fitting was realized by least square and nonlinear unconstrained optimization on training sets. Our model is not only able to fit to the human reaction, but also to predict it on test sets. We were able to extract and review key features of balance, like torque coupling and delays as outcomes of the aforementioned optimization process. Furthermore, the delays are well within the ranges typically for such compensatory motions, composed of reflex and higher level motor control.

References

Jul 1, 1991·Somatic Cell and Molecular Genetics·M Shapiro, C A Kozak
Jan 1, 1990·Biological cybernetics·J F YangR P Wells
Dec 1, 1967·Journal of Applied Physiology·M P MurrayR C Scholz
Jan 1, 1995·IEEE Transactions on Bio-medical Engineering·A D Kuo
Jan 1, 1993·Journal of Biomechanics·A D Kuo, F E Zajac
Sep 24, 1998·Journal of Neurophysiology·D A WinterK Gielo-Perczak
Oct 17, 1998·Experimental Brain Research·A D KuoF B Horak
Sep 14, 1999·Journal of Neurophysiology·P G Morasso, M Schieppati
Sep 30, 1999·Gait & Posture·C F RungeF E Zajac
Jun 22, 2001·Biological cybernetics·A V AlexandrovJ Massion
Oct 5, 2002·Journal of Neurophysiology·Pietro G Morasso, Vittorio Sanguineti
Feb 16, 1965·Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character·B KATZ, R MILEDI
Mar 12, 2004·Gait & Posture·William H GageAllan L Adkin
Mar 4, 2005·Medical & Biological Engineering & Computing·N FujisawaH Minamitani
Sep 2, 2005·Journal of Neural Engineering·Arthur D Kuo
Sep 30, 2005·Journal of Neurophysiology·Tim KiemelJohn J Jeka
Oct 18, 2005·Biological cybernetics·A V AlexandrovS Park
Feb 23, 2007·Journal of Neurophysiology·Wei-Li HsuTim Kiemel
Jul 24, 2007·Gait & Posture·Michael GüntherReinhard Blickhan
Oct 24, 2007·Experimental Brain Research·Mark SafferJohn Jeka
Sep 24, 2009·Journal of Biomechanics·Michael GüntherReinhard Blickhan
Feb 5, 2010·Biomedizinische Technik. Biomedical Engineering·Robin RothMichael Günther
Jul 16, 2010·Journal of Neuroengineering and Rehabilitation·Amir Shapiro, Itshak Melzer
Jan 11, 2011·Gait & Posture·Michael GüntherSten Grimmer
Mar 4, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·D F B HaeufleS Schmitt
Sep 11, 2014·Journal of Motor Behavior·Cédrick T BonnetPatrice R Rougier
Jul 28, 2015·Computer Methods in Biomechanics and Biomedical Engineering·Michael Günther, Heiko Wagner

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Clinical Trials Mentioned

NCT01439451

Software Mentioned

Ariel Performance Analysis Software ( APAS
MATLAB Simulink
BaMPer
SimMechanics

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