The relationship between physical activity status, body composition and executive function in older adults Public Deposited

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  • March 22, 2019
  • Babbitt, Michael
    • Affiliation: College of Arts and Sciences, Department of Exercise and Sport Science
  • This study investigated the relationship between executive function (EF)and three fitness measurements: body mass index (BMI), body fat percentage (%BF), and physical activity levels (PA). This was a sub-study as part of the study of Role of recreational sport participation on cerebral white matter integrity in older adults (PI: B. Marks, Biomedical IRB #:05-3151; Funding: Biomedical Research Imaging Center, UNC-CH). Nineteen older adults aged 60 to 76 (10 males, 6 females) volunteered from the Raleigh/Durham/Chapel Hill area of North Carolina. The subjects' executive function (EF) was determined with the The Behavioral Assessment of the Dysexecutive System (BADS) test battery. Body composition was assessed using skinfold measurements of the same four anatomical sites for both men and women: tricep, bicep, subscapular, and suprailiac. Physical activity levels were derived using a combined score for household, sports and leisure activities from the Modified Baecke Daily Activity questionnaire. Pearson correlations and simple regression found that the BADS was not significantly related to any of the three measurements (BMI: r2 = 0.0073, p = 0.75; %BF: r2 = 0.0626, p = 0.35; PA: r2 = 0.0454; p = 0.43). The three individual measurements for PA also showed no relationship with BADS (Household: r2= 0.070, p = 0.329; Leisure: r2= 0.040, p = 0.458; Sports: r2= 0.006, p = 0.768). The results of this study indicated that no significant relationship exists between BMI, %BF, PA and EF as measured by the BADS.
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  • In Copyright
  • Marks, Bonita L.
  • Open access

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