Abstract
AbstractThe aim of this study was to compare force production determined by the Bosco test, muscle mass, cross-sectional area (CSA) determined by anthropometry, percent of body fat determined by bioelectric impedance analysis (BIA), and creatine kinase determined by blood analysis; and to evaluate how these changes varied according to the physical activity performed by 32 elderly subjects, 17 men and 15 women, divided into two groups: athletes and individuals engaging in a maintenance exercise program. Force production measured by the Bosco test was greater in athletes than in the maintenance group (p < 0.05), even though the physical-sporting activity practiced (endurance training) is non-specific for the development of explosive strength. Moreover, there was an a proportional inverse correlation between age and strength. Lastly, both groups showed similar weight values, arm and thigh cross-sectional area (CSA), and muscle mass measured by Doupe's equation, even though the athletic group possessed a lower percentage of body fat and greater muscle mass as measured by Martin's equation (p < 0.05).
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