Effects of habitual physical exercise on physiological age in men aged 20–85 years as estimated using principal component analysis

  • Eitaro Nakamura
  • Toshio Moritani
  • Akio Kanetaka
Original Article


A population of 221 healthy adult men (aged 20–85 years) was studied to determine whether those who exercised regularly were in good biological condition, and also whether those who were in a state of high physical fitness were in a good state biologically, in terms of physiological age (PA) and physical fitness age (FA) as estimated by principal component analysis. A group of 17 physiological function tests and 5 physical fitness tests were employed to estimate PA and FA, respectively. The results of this study indicated that those who maintained high physical fitness at all age decade groups from 20 to 79 years had a trend towards maintaining a relatively lower PA (physiologicallyyounger). Mean PA and FA of the trained group were younger by 4.7 and 7.3 years, respectively than those of the untrained group. In addition, the slope of regression line of PA on chronological age was more gentle in the trained group than that in the untrained group. These results would suggest that those who are in a state of high physical fitness maintain a relatively good physiological condition, and that regular physical exercise may delay physiological changes normally seen with aging, and consequently may increase the life span.

Key words

Exercise Physiological age Physical fitness age Men Principal component model 


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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • Eitaro Nakamura
    • 1
  • Toshio Moritani
    • 2
  • Akio Kanetaka
    • 3
  1. 1.Department of Life Sciences, Faculty of Integrated Human StudiesKyoto UniversitySakyo-ku, KyotoJapan
  2. 2.Department of Applied Physiology, Graduate School of Human and Environmental StudiesKyoto UniversitySakyo-Ku, KyotoJapan
  3. 3.Kanetaka Medical Clinic CenterKusatu, SigaJapan

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