Physical performance and a test of gaze stabilization in older adults.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Bryan K WardJoseph M Furman

Abstract

The purpose of this study was to assess the feasibility of a standardized gaze stabilization test (GST) as an indicator of vestibular function in community-dwelling older adults and to examine the relationship between gaze stabilization and physical performance. Descriptive, cross-sectional. Tertiary medical center. Eighty-six healthy older adults (22 men) of mean (standard deviation [SD]) age 76.8 (5.8) years were recruited from the Pittsburgh community. Performance on the GST, measures of physical performance (standing balance, chair rises, and gait speed individually and combined into the Short Physical Performance Battery) and self-reported balance. Whereas more than 90% of participants completed testing in the pitch and yaw planes, only 85% (73 of 86) had interpretable scores due to prolonged perception time independent of vestibulo-ocular reflex. The mean (SD) head movement velocity in the pitch plane was 94.5 (26.7) degrees per second, whereas the mean (SD) head movement velocity in the yaw plane was 95.5 (29.3) degrees per second. There was a strong association between age and GST performance in the pitch and yaw planes (r = 0.68; p < 0.001). Poor GST performance in the yaw plane was associated with balance capacity wit...Continue Reading

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Dec 4, 2013·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Denise R KaufmanMerrill R Landers
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