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    Assistive Technology for Real-Time Fall Prevention During Walking: Evaluation of the Effect of an Intelligent Foot Orthosis

    Source: Journal of Engineering and Science in Medical Diagnostics and Therapy:;2024:;volume( 008 ):;issue: 001::page 11005-1
    Author:
    Yamamoto, Rieko
    ,
    Itami, Sho
    ,
    Kawabata, Masashi
    ,
    Morimura, Kohei
    ,
    Shiraishi, Toshihiko
    DOI: 10.1115/1.4066187
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: We present an intelligent foot orthosis (IFO) designed to prevent lateral falls during walking by employing a magnetorheological (MR) fluid brake. This study aims to demonstrate the feasibility of evaluating effectiveness of the proposed orthosis in fall prevention. Seventeen healthy adults underwent four conditions: (1) without IFO, (2) with IFO and current-OFF, (3) with IFO current-ON, and (4) with IFO and control-ON. Gait was assessed by three-dimensional motion capture and with ground reaction force. Postural changes on the frontal plane were measured, and the mediolateral center of gravity and center of pressure inclination angle (ML COG-COP IA) was calculated. Additionally, tibialis anterior (TA) and peroneus longus (PL) muscle activity during walking were measured using surface electromyography. Results indicate a significant increase in ML COG-COP IA in (3). No significant differences were found in muscle activity between conditions. The study suggests that the posture's deviation from the lateral fall direction in (3) is primarily due to wearing the IFO, emphasizing human postural control over muscle activity. A negative correlation between ML COG-COP IA and TA muscle activity under (4), implies that individuals with lower TA muscle activity may benefit more from IFO fall prevention. In conclusion, the study demonstrates the feasibility of preventing lateral falls in human walking using the proposed orthosis with an MR fluid brake. The general efficacy of the orthosis in lateral fall prevention is suggested, emphasizing the need for further development.
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      Assistive Technology for Real-Time Fall Prevention During Walking: Evaluation of the Effect of an Intelligent Foot Orthosis

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4306394
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    • Journal of Engineering and Science in Medical Diagnostics and Therapy

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    contributor authorYamamoto, Rieko
    contributor authorItami, Sho
    contributor authorKawabata, Masashi
    contributor authorMorimura, Kohei
    contributor authorShiraishi, Toshihiko
    date accessioned2025-04-21T10:32:09Z
    date available2025-04-21T10:32:09Z
    date copyright8/29/2024 12:00:00 AM
    date issued2024
    identifier issn2572-7958
    identifier otherjesmdt_008_01_011005.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4306394
    description abstractWe present an intelligent foot orthosis (IFO) designed to prevent lateral falls during walking by employing a magnetorheological (MR) fluid brake. This study aims to demonstrate the feasibility of evaluating effectiveness of the proposed orthosis in fall prevention. Seventeen healthy adults underwent four conditions: (1) without IFO, (2) with IFO and current-OFF, (3) with IFO current-ON, and (4) with IFO and control-ON. Gait was assessed by three-dimensional motion capture and with ground reaction force. Postural changes on the frontal plane were measured, and the mediolateral center of gravity and center of pressure inclination angle (ML COG-COP IA) was calculated. Additionally, tibialis anterior (TA) and peroneus longus (PL) muscle activity during walking were measured using surface electromyography. Results indicate a significant increase in ML COG-COP IA in (3). No significant differences were found in muscle activity between conditions. The study suggests that the posture's deviation from the lateral fall direction in (3) is primarily due to wearing the IFO, emphasizing human postural control over muscle activity. A negative correlation between ML COG-COP IA and TA muscle activity under (4), implies that individuals with lower TA muscle activity may benefit more from IFO fall prevention. In conclusion, the study demonstrates the feasibility of preventing lateral falls in human walking using the proposed orthosis with an MR fluid brake. The general efficacy of the orthosis in lateral fall prevention is suggested, emphasizing the need for further development.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAssistive Technology for Real-Time Fall Prevention During Walking: Evaluation of the Effect of an Intelligent Foot Orthosis
    typeJournal Paper
    journal volume8
    journal issue1
    journal titleJournal of Engineering and Science in Medical Diagnostics and Therapy
    identifier doi10.1115/1.4066187
    journal fristpage11005-1
    journal lastpage11005-11
    page11
    treeJournal of Engineering and Science in Medical Diagnostics and Therapy:;2024:;volume( 008 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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