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Related Experiment Video

Updated: May 20, 2026

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
06:21

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

Published on: July 26, 2022

Does an additional load modify the Anticipatory Postural Adjustments in gait initiation?

Teddy Caderby1, Georges Dalleau, Pierre Leroyer

  • 1CURAPS-DIMPS, UFR des Sciences de l'Homme et de l'Environnement, Université de la Réunion, 97430 Le Tampon, Ile de la Réunion, France. teddy.caderby@univ-reunion.fr

Gait & Posture
|July 17, 2012
PubMed
Summary

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Adding a 15% body weight overload increases anticipatory postural adjustments (APA) duration and forward impulse during gait initiation in healthy individuals. This suggests overload may enhance gait initiation, potentially aiding clinical applications.

Area of Science:

  • Biomechanics
  • Human Movement Science
  • Motor Control

Background:

  • Gait initiation is a complex process involving anticipatory postural adjustments (APA).
  • The effect of external loads on APA during gait initiation is not fully understood.
  • Understanding these effects is crucial for rehabilitation and performance enhancement.

Purpose of the Study:

  • To investigate the impact of a 15% body weight overload on APA during gait initiation in healthy adults.
  • To determine how individuals modulate their APA in response to added load.
  • To explore potential clinical applications of these findings.

Main Methods:

  • Nineteen healthy participants performed gait initiation under unloaded and 15% body weight overload conditions.
  • Key variables measured included APA duration, forward impulse, and gait initiation duration.

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Last Updated: May 20, 2026

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
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Published on: July 26, 2022

An Instrumented Pull Test to Characterize Postural Responses
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  • Participants initiated gait at a self-selected speed.

    • Main Results:

    • Overload significantly increased APA duration.
    • A significant increase in forward impulse of the APA was observed with overload.
    • Gait initiation duration also increased significantly under the overloaded condition.
    • Other measured variables did not show significant changes.

    Conclusions:

    • Able-bodied individuals adapt APA duration to generate greater forward impulse when initiating gait with an overload.
    • This adaptation helps achieve steady-state gait despite the added load.
    • Findings suggest potential therapeutic benefits of overloading for improving gait initiation in patient populations.