research-article

Gait Stability Analysis with a Two-dimensional Dynamic Parameter

Authors:

Li WANG,

Yubo FANAuthors Info & Claims

ICBBE '20: Proceedings of the 2020 7th International Conference on Biomedical and Bioinformatics Engineering

Pages 92 - 94

https://doi.org/10.1145/3444884.3444901

Published: 31 March 2021 Publication History

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Abstract

Objective: To define a two-dimensional (2-D) region of stability derived by center of mass (COM) velocity, and to assess the dynamic walking stability with COM position and velocity. Methods: The 2-D base of support (BOS) was determined by the intersection between the vector of the 2-D COM velocity and the envelope of the foot pressure. The region of stability for velocity (ROSv) in 2-D were determined using normalized COM position and velocity at toe off (TO). In order to exam the utility of this new parameter, fourteen elderly females with and without history of falls participated into a walking experiment. Results: The results showed that the 2-D ROSv could distinguish the coordinates difference between two groups much better than 1-D form in antero-posterior. COM position of elderly fallers demonstrated significant closer to the foot supporting boundary than that of healthy elderly adults at TO. Conclusion: The parameter of 2-D ROSv could differentiate among dynamic stability for healthy elderly adults and fallers. The results of walking experiment revealed elderly fallers tend to walk more conservatively compared to healthy subjects, to relieve the pressure of controlling their momentum.

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ICBBE '20: Proceedings of the 2020 7th International Conference on Biomedical and Bioinformatics Engineering

November 2020

197 pages

ISBN:9781450388221

DOI:10.1145/3444884

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 31 March 2021

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Key Research and Development Project of Shanxi Province
Beijing Academy of Science and Technology Beike Budding Project

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ICBBE '20

ICBBE '20: 2020 7th International Conference on Biomedical and Bioinformatics Engineering

November 6 - 9, 2020

Kyoto, Japan

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Gao XMa YLyu Z(2024)Dynamic Stability Analysis of Flat Walking and Across Obstacles2024 17th International Convention on Rehabilitation Engineering and Assistive Technology (i-CREATe)10.1109/i-CREATe62067.2024.10776127(1-4)Online publication date: 23-Aug-2024
https://doi.org/10.1109/i-CREATe62067.2024.10776127
Ma YGao XWang LLyu ZShen FNiu H(2024)Evaluation of instability in patients with chronic vestibular syndrome using dynamic stability indicatorsMedical & Biological Engineering & Computing10.1007/s11517-024-03185-x63:1(159-168)Online publication date: 30-Aug-2024
https://doi.org/10.1007/s11517-024-03185-x
Zhou H(2023)Two-Dimensional Dynamic Graphics and Its Application in Computer Graphic DesignProceedings of the 4th International Conference on Big Data Analytics for Cyber-Physical System in Smart City - Volume 210.1007/978-981-99-1157-8_72(596-603)Online publication date: 1-Apr-2023
https://doi.org/10.1007/978-981-99-1157-8_72

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