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Posturography and balance problems in older people

R W Baloh¹, S Spain, T M Socotch

¹Department of Neurology, UCLA School of Medicine 90024-1769, USA.

Journal of the American Geriatrics Society

|June 1, 1995

Summary

Dynamic posturography effectively identifies balance issues in older adults, with sway velocity indicating imbalance. Fear of falling, not actual falls, correlated with increased sway velocity.

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Area of Science:

Gerontology
Biomechanics
Neurology

Background:

Balance problems are common in older adults, impacting mobility and fall risk.
Posturography is a tool used to assess balance, but optimal testing conditions are debated.
Identifying reliable posturography measures is crucial for clinical assessment and intervention.

Purpose of the Study:

To identify the most effective posturography measurements and test conditions for detecting balance deficits in the elderly.
To compare static and dynamic posturography in differentiating individuals with and without balance complaints.

Main Methods:

Two groups of community-dwelling older adults (n=70 each): controls with normal balance and patients reporting imbalance.
Evaluated sway velocity using static (with/without foam) and dynamic posturography.

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Assessed Tinetti scores, fear of falling, and fall history.

Main Results:

Increased mean sway velocity was observed in patients with imbalance compared to controls.
Dynamic posturography, particularly anterior-posterior sway during platform tilt, showed the largest differences.
Fear of falling, but not fall frequency or fall type, significantly correlated with increased sway velocity.

Conclusions:

Sway velocity, especially in the anterior-posterior direction, is a sensitive indicator of perceived imbalance in older adults.
Dynamic posturography offers greater sensitivity than static posturography for detecting balance issues.
Posturography data showed limited utility in predicting fall frequency or identifying the cause of imbalance.