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Abstract

Body composition variables are important when it comes to studying athletic performance. With an aging population, being actively engaged in athletic competition in one’s “golden years” is more common than in previous generations. However, there is a lack of normative data for senior athletes relative to their younger counterparts. PURPOSE: The purpose of this study was to analyze the correlation between age and both body fat percentage (%BF) and fat-free mass index (FFMI) in senior athletes and classify the percentile ranks of these body composition variables. METHODS: Data were collected using an InBody 770 Multi-Frequency Bioelectrical Impedance Analysis machine. Data were analyzed using a Pearson Correlation for %BF:age and FFMI:age. Percentile ranks were established. RESULTS: Over 500 senior athletes (aged 50-93 y) participated. The correlation coefficient for age and %BF for both men and women was 0.26. The correlation coefficient for age and FFMI for women was -0.30. The correlation coefficient for age and FFMI for men was -0.39. CONCLUSION: There was a positive weak relationship between %BF and age for both men and women. There was a moderate inverse relationship between FFMI and age for both men and women. Reference norms were also created for a physically active older adult population.

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