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Updated: Jul 14, 2026

Using Motion Capture Technology in the Instrumented Timed Up and Go Test to Detect the Risk of Falling in Aged Adults
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Application of the voluntary step execution test to identify elderly fallers.

I Melzer1, I Kurz, D Shahar

  • 1Rehabilitation and Movement Analysis Laboratory in the Leon and Matilda Recanati School for Community Health Professions, Physical Therapy Department, Faculty of Health Sciences at Ben-Gurion University, Israel. itzikm@bgumail.bgu.ac.il

Age and Ageing
|June 5, 2007
PubMed
Summary

The Voluntary Step Execution Test, when performed with cognitive load, can identify elderly individuals at risk of falls. This dual-task test is a simple, safe method for fall risk assessment in older adults.

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Area of Science:

  • Gerontology
  • Biomechanics
  • Neurology

Background:

  • Falls are a significant concern for elderly individuals, leading to injury and reduced independence.
  • Traditional balance and gait assessments may not fully capture fall risk in older adults.
  • Identifying reliable methods for fall risk prediction is crucial for preventative interventions.

Purpose of the Study:

  • To evaluate the efficacy of the Voluntary Step Execution Test (VSET) in identifying elderly fallers.
  • To compare VSET performance under single-task and dual-task conditions.
  • To determine if VSET can serve as a predictive tool for fall risk in older adults.

Main Methods:

  • A cross-sectional retrospective study was conducted in two residential facilities.
  • 100 healthy older volunteers (mean age 78.4 years) participated.

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  • Balance and gait were assessed using the Berg Balance Test (BBS) and Timed Get Up and Go (TUG). VSET was administered under single and dual-task conditions.

    • Main Results:

    • No significant differences in BBS and TUG scores were found between fallers and non-fallers.
    • Single-task VSET showed no significant differences between fallers and non-fallers.
    • Dual-task VSET revealed significant increases in preparatory phase duration, swing time, and foot-contact time in fallers. Participants with dual-task execution times >1,100 ms had a fivefold increased risk of falling.

    Conclusions:

    • The Voluntary Step Execution Test under dual-task conditions is a sensitive measure for identifying elderly individuals at high risk of falls.
    • This simple and safe test provides valuable insights into fall risk beyond traditional assessments.
    • Dual-tasking challenges cognitive and motor functions, revealing subtle deficits indicative of fall risk.