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Dynamic Gait Index
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About Dynamic Gait Index
Scale Name
Dynamic Gait Index
Author Details
Shumway-Cook, A., and Woollacott, M.
Translation Availability
English
Background/Description
The Dynamic Gait Index (DGI) is a clinical tool designed to evaluate an individual’s ability to modify gait in response to changing task demands. It is widely used to assess dynamic balance and risk of falls in populations such as older adults, individuals with vestibular disorders, stroke survivors, and patients with other neurological impairments.
The DGI tests various aspects of walking, including steady-state walking, walking while changing speeds, walking with head turns, walking over obstacles, and navigating stairs. It helps clinicians identify challenges in functional mobility and develop targeted interventions.
Administration, Scoring and Interpretation
- Preparation:
- A marked walking path of at least 20 feet.
- Necessary obstacles, such as cones, shoe boxes, and stairs.
- Task Execution:
- Instruct the individual to perform eight specific walking tasks under observation. Tasks include walking on a level surface, changing speeds, turning the head, walking over obstacles, and navigating stairs.
- Observation:
- Focus on balance, gait, and adaptability during each task.
Reliability and Validity
- Reliability: Demonstrates excellent inter-rater and test-retest reliability.
- Validity: Strong correlation with other balance and gait measures, such as the Berg Balance Scale and Timed “Up and Go” Test.
Available Versions
08-Items
Reference
Shunmway-Cook, A. (2001). Motor Control; Theory and Practical application. LippincottWilliams & Wilkins.
Cook, A. S., & Woollacott, M. H. (2001). Motor control: theory and practical applications. Lippincott Williams and Wilkins.
Important Link
Scale File:
Frequently Asked Questions
Q1: Who is the DGI designed for?
The DGI is designed for older adults, individuals with neurological impairments, and patients with balance or gait disorders.
Q2: How long does the DGI take to administer?
The test typically takes 10–15 minutes to complete.
Q3: Can the DGI be performed without stairs?
Yes, but the absence of stairs limits the test’s comprehensiveness. Substitute tasks may be used with caution.
Q4: What is the minimum score indicating a fall risk?
A score below 19 indicates a significant risk of falls.
Q5: Is specialized training required to administer the DGI?
Basic training in gait analysis and balance assessment is recommended for accurate scoring.
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