Abstract
Power is essential in performing activities of daily living (ADL). Power decreases during the aging process, but few tests exist that assess power in relationship to function, i.e., tasks performed during ADLs. PURPOSE To establish a functionally appropriate method for determining power output in older persons. METHOD 347 female and 156 male subjects aged 73.1±7.0 years participated in the study. Power output was determined by a modified Margaria-Kalamen test requiring subjects to move as fast as possible up a standard access ramp (1:12 rise). Subjects performed 1 practice and 2 timed trials. RESULTS Pair-wise comparisons between half-decade age groups revealed significant differences in power output among groups at the adjusted alpha level of p =.0017. These differences were detected among all groups that differed in age by at least 5 years. Results allowed percentile scores to be developed by half-decade for both genders. CONCLUSION Our results suggest that this modification of the ramp Margaria-Kalamen power test is able to quantify and distinguish ADL-related power by half-decade in both genders of older individuals.
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