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Kevin Dames

Kevin Dames, Kinesiology Department, and Sutton Richmond from Malcom Randall VA Medical Center presented their project “Are Your Balance Data Telling Tall Tales? Impact of Height on Stability Assessmentsat the 48thannual meeting of the American Society of Biomechanics held Aug. 5 to 8 in Madison, Wis. This work demonstrates the limitations of height as a normalization factor in position-based center-of-pressure outcomes across eyes open and closed static upright standing balance trials. In contrast, time to boundary effectively eliminates the body size concern by scaling center-of-pressure motion to an individual's base of support area. Clinicians or researchers reporting differences in position-based center-of-pressures measures between cohorts may be detecting effects of body size inequality rather than indicators of disease progression, aging or imposed interventions. In contrast, TtB is not related to height and may be used to discern the effects of clinical conditions and fall risk without concern for anthropometric inequalities.