Age, activity, and physical performance: an evaluation of performance models |
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| Authors: | A Kozma M J Stones T E Hannah |
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| Institution: | Gerontology Centre, Memorial University of Newfoundland, St. John's, Canada. |
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| Abstract: | Two performance models relating age, physical activity, and physical performance were evaluated on 5 age cohorts involving more than 6,000 persons ranging in age from 20 to 69 years. Significant age and activity main effects, without 1 Age X Activity interaction, were obtained on 5 fitness measures and 2 activity indexes. These results are inconsistent with predictions from the moderation model, but they fit predictions from a recently formulated tonic and overpractice model of physical performance. |
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