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Factors affecting test results and standardized method in quiet standing balance evaluation
Jung Joong Yoon1, Tae Sik Yoon, Bo Mi Shin
1Department of Rehabilitation Medicine, School of Medicine, Ewha Womans University, Seoul 158-710, Korea.
Annals of Rehabilitation Medicine
|April 17, 2012
Summary
Quiet standing balance evaluation using posturography is affected by age and eye condition. A feet width of half shoulder width is recommended for standardized balance capacity assessment.
Area of Science:
- Biomechanics
- Human Physiology
- Neurology
Background:
- Posturography is a key tool for assessing quiet standing balance.
- Standardizing test conditions is crucial for reliable balance evaluation.
Purpose of the Study:
- To identify factors influencing posturography results for quiet standing balance.
- To determine a standardized feet width for accurate balance assessment.
Main Methods:
- 100 healthy individuals performed balance tests with varying feet widths (shoulder width, half shoulder width, comfort) and eye conditions (open/closed).
- Center of Pressure (COP) movement parameters (mediolateral/anteroposterior extent, speed, velocity moment) were analyzed.
Main Results:
- Balance was better with eyes open vs. closed.
- Increased age correlated with greater COP movement (AP extent and speed).
- Feet width at half shoulder width yielded more accurate balance capacity results compared to shoulder width or comfort-based stances.
Conclusions:
- Age and eye condition significantly impact quiet standing balance results.
- Gender and height do not influence posturography outcomes.
- A standardized feet width of half shoulder width is recommended for reliable posturography assessments.
