Aging and physical activity determine cardiac structure and function in the older athlete.

@article{Douglas1992AgingAP,
  title={Aging and physical activity determine cardiac structure and function in the older athlete.},
  author={Pamela Sylvia Douglas and Michael L. O'toole},
  journal={Journal of applied physiology},
  year={1992},
  volume={72 5},
  pages={
          1969-73
        }
}
To evaluate the effects of age and physical activity on cardiac structure and function, 45 ultra-endurance athletes were compared with 24 sedentary control subjects. Two-dimensionally guided M-mode echocardiograms and pulsed Doppler studies of left ventricular inflow velocity were obtained. Both older and younger athletes differed from age-similar sedentary control subjects in having lower heart rates (56 vs. 72 beats/min, younger; 53 vs. 74 beats/min, older), larger left ventricular cavities… CONTINUE READING
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