Clinical Posturography The idea of monitoring postural sway for evaluation of patients with dizziness and other balance disorders is an old one. Early attempts in posturography were limited to the measurement of undisturbed balance on stationary force plates—hence the term static posturography. A more recent development is the introduction of dynamic or ... Edge Report
Edge Report  |   March 1992
Clinical Posturography
 
Author Affiliations & Notes
  • Kamran Barin
    Department of Otolaryngology, The Ohio State University, Columbus
Article Information
Balance & Balance Disorders / Edge Reports
Edge Report   |   March 1992
Clinical Posturography
American Journal of Audiology, March 1992, Vol. 1, 13-14. doi:10.1044/1059-0889.0102.13
 
American Journal of Audiology, March 1992, Vol. 1, 13-14. doi:10.1044/1059-0889.0102.13
The idea of monitoring postural sway for evaluation of patients with dizziness and other balance disorders is an old one. Early attempts in posturography were limited to the measurement of undisturbed balance on stationary force plates—hence the term static posturography. A more recent development is the introduction of dynamic or moving-platform posturography. Although the first published reports of dynamic posturography appeared over 20 years ago, its widespread clinical use has emerged only in the past few years, after a device called EquiTest (manufactured by NeuroCom, Clackamas, OR) became commercially available.
EquiTest is a computerized system, consisting of a force plate that can translate in the anterioposterior plane and rotate about the ankle joints in the pitch plane. The patient standing on the force plate is surrounded by a visual scene that can also rotate about the same axis. During the test, forces exerted by each foot are measured and sent to the computer. From the force data, the computer estimates the angle of body sway.
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