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Authors: Xiaolei Lv 1 ; Yi Wei 2 and Shihong Xia 3

Affiliations: 1 Institute of Computing Technology, Chinese Academy of Sciences and University of Chinese Academy of Sciences, China ; 2 Institute of Computing Technology and Chinese Academy of Sciences, China ; 3 Institute of Computing Technology and Chinese Academy of Science, China

Keyword(s): Gait Event, Heel Strike, Toe Off, Gait Cycle, Kinematic Detection.

Related Ontology Subjects/Areas/Topics: Gait and Posture ; Physiotherapy and Rehabilitation ; Signal Processing and Motor Behavior ; Sport Science Research and Technology ; Sports Medicine and Support Technology

Abstract: The detection of gait events in locomotion, such as toe-off and heel-strike, provides a basic criterion for the division of a step cycle. This paper presents a new simple method for kinematic detection of gait events using kinematic data captured from only one marker attached to heel. We analyze the geometric distribution of the markers spatial positions over a small window of frames, and find there are new characteristics on the curve. These characteristics are used to detect the gait events for normal gaits. True errors (mean±standard deviation) in the experiments on normal gaits are 8±8 ms for heel-strike and 12±20 ms for toe-off, where above 91% of subjects’ heel strike events can be determined, with at most one frame (8.3 ms) error away from the ground reaction force (GRF) results.

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Paper citation in several formats:
Lv, X.; Wei, Y. and Xia, S. (2013). A New Simple Method for Kinematic Detection of Gait Events. In Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS; ISBN 978-989-8565-79-2; ISSN 2184-3201, SciTePress, pages 25-29. DOI: 10.5220/0004563600250029

@conference{icsports13,
author={Xiaolei Lv. and Yi Wei. and Shihong Xia.},
title={A New Simple Method for Kinematic Detection of Gait Events},
booktitle={Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS},
year={2013},
pages={25-29},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004563600250029},
isbn={978-989-8565-79-2},
issn={2184-3201},
}

TY - CONF

JO - Proceedings of the International Congress on Sports Science Research and Technology Support - icSPORTS
TI - A New Simple Method for Kinematic Detection of Gait Events
SN - 978-989-8565-79-2
IS - 2184-3201
AU - Lv, X.
AU - Wei, Y.
AU - Xia, S.
PY - 2013
SP - 25
EP - 29
DO - 10.5220/0004563600250029
PB - SciTePress