Does Chronic Exercise Attenuate Age-Related Physiological Decline In Males? These results suggest that life-long exercise is associated with favorable body composition and attenuation of the age related decline in testosterone. 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. Hayes LD, Grace FM, Sculthorpe N, Herbert P, Kilduff LP, Baker JS. Does chronic exercise attenuate age-related physiological decline in males? Res Sports Med 2013;21(4):343-54. tandfonline/doi/full/10.1080/15438627.2013.825799#.UkVv74ZHRAI
Posted on: Fri, 27 Sep 2013 12:02:27 +0000
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