Does chronic exercise attenuate age-related physiological decline in males?

Lawrence D. Hayes, Fergal M. Grace, Nick Sculthorpe, Peter Herbert, Liam P. Kilduff, Julien S. Baker

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Alteration in body composition, physical function, and substrate metabolism occur with advancing age. These changes can be attenuated by exercise. This study evaluated whether master athletes (MA [n = 20]) would have improved exercise capabilities, anthropometry, and hormone profiles when compared with age-matched sedentary counterparts (S [n = 28]). The MA group was predominantly aerobically trained with some resistance exercise incorporated in their routine. The VO2max, peak power output, and salivary testosterone was significantly higher (p < 0.05) in the MA group, while diastolic blood pressure, systolic blood pressure, and body fat percentage were lower (p < 0.05). Cortisol, fat free mass, (FFM) and total body mass were not significantly different between groups. Salivary testosterone correlated positively with VO2max (r 2 = .320), suggesting that increased aerobic capacity is linked with higher concentrations of testosterone. These results suggest that life-long exercise is associated with favorable body composition and attenuation of the age related decline in testosterone.
Original languageEnglish
Pages (from-to)343-354
Number of pages12
JournalResearch in Sports Medicine
Volume21
Issue number4
Publication statusPublished - 1 Oct 2013

Keywords

  • cortisol
  • testosterone
  • sarcopenia
  • aging
  • master athletes

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