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Related Experiment Video

Updated: May 7, 2026

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
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Computation method for available response time due to tripping at minimum foot clearance.

H Nagano, R Begg, W A Sparrow

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |October 11, 2013
    PubMed
    Summary

    Understanding tripping-induced anterior balance loss is key for fall prevention in older adults. This study found that factors like slower movement and greater distances at minimum foot clearance significantly extend the available response time for balance recovery.

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    Area of Science:

    • Biomechanics
    • Gerontology
    • Gait Analysis

    Background:

    • Falls are a major concern for older adults, impacting health and socioeconomic structures.
    • Tripping is the leading cause of falls, necessitating research into anterior balance loss mechanisms.
    • Minimum foot clearance (MFC) during the mid-swing phase is a critical event for tripping-induced falls.

    Purpose of the Study:

    • To develop a computational method for calculating available response time (ART) to anterior balance loss at MFC.
    • To identify gait parameters influencing ART during tripping at MFC.
    • To provide a tool for assessing age-related and task-specific risks of tripping-induced falls.

    Main Methods:

    • Utilized kinematic data of the center of mass (CoM) and toes.
    • Incorporated simulated impact forces during tripping at MFC.
    • Employed correlation analysis to link gait parameters with ART.

    Main Results:

    • Average ART for anterior balance loss due to tripping at MFC was approximately 0.11 seconds for both limbs.
    • Identified five key factors at MFC that prolong ART: greater CoM-to-stance toe distance, greater CoM-to-swing toe sideways distance, longer CoM-to-base frontal boundary distance, slower CoM forward velocity, and slower horizontal toe velocity.

    Conclusions:

    • The developed ART computation method offers a valuable tool for fall prevention research.
    • This method can be used to investigate how aging and different gait tasks affect the risk of tripping-induced falls.
    • Understanding these biomechanical factors is crucial for designing effective interventions to reduce falls in older populations.