Toward a synergetic model of postural coordination dynamics

Ed Rooke^*, Benoit Bardy^† and Krasimira Tsaneva-Atanasova^*

^(*) University of Bristol, UK
^(†) Movement to Health (M2H), Montpellier-1 University, France
E-mail: ed.rooke@bristol.ac.uk, k.tsaneva-atanasova@bristol.ac.uk, benoit.bardy@univ-montp1.fr

Abstract

In the present study the authors develop a double inverted-pendulum intrapersonal model for posture in the Sagittal plane. A novel synergetic approach is taken to successfully reproduce qualitative features of experimental data. The HKB model is investigated and modified into a more general type of ”excitator” to create suitable dynamics for this application. Bifurcation analysis of HKB couplings revealed regimes where appropriate asymmetries exist in the fixed points. The findings suggest that this approach produces an innovative and viable solution for postural coordination dynamics.