Daily physical activity and body composition in healthy Japanese women

DOI
  • Nagai M
    Department of Nursing BAIKA Women's University
  • Uyama O
    Department of Human Nursing Sonoda Women's University
  • Kaji H
    College of Nursing Art & Science University of Hyogo

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Other Title
  • 健康女性における身体活動と内臓脂肪量および骨質の関連

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Abstract

Background   Our study aimed to evaluate which parameters of physical activity correlates with visceral fat area (VFA) as well as arterial stiffness and bone quality. Sixteen healthy Japanese women (aged 22-67) underwent a health checkup and answered questionnaires, with subsequent measurements of bone quality [sound of speed (SOS)] by ultrasound, VFA by bioelectrical impedance, and arterial stiffness by acceleration plethysmography (APG). We also measured 4 parameters of physical activity, moderate physical activity time, number of steps walked, amount of exercise and physical activity-associated energy expenditure (PAEE), using a multi recorder accelerometer for 14 to 28 days.   Results   SOS tended to positively but not significantly correlate with the mean daily moderate physical activity time and the mean daily number of steps walked. APG did not significantly correlate with any parameter of physical activity. VFA positively correlated with the mean daily PAEE (r=0.534, P<0.05) and the mean daily amount of exercise (r=0.583, P<0.05) assessed using Pearson's product-moment correlation coefficient.   Significant positive correlations were noted among 4 physical parameters each other, none of which correlated with age.   Conclusions   SOS showed weak positive but insignificant correlation with 2 parameters of daily physical activity. However, VFA unexpectedly showed significant positive association with 2 parameters of daily physical activity, suggesting that the increased some parameters of physical activity might be the result of being cautious to prevent obesity in healthy Japanese women.

Journal

  • Structure and Function

    Structure and Function 13 (2), 61-69, 2014

    Co-medical Research Society of Structure and Function

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