Age and regulation of fluid and electrolyte balance during repeated exercise sessions.

@article{Zappe1996AgeAR,
  title={Age and regulation of fluid and electrolyte balance during repeated exercise sessions.},
  author={Dion H. Zappe and Geoffrey Weszely Bell and H Swartzentruber and Robert F. Wideman and W. Larry Kenney},
  journal={The American journal of physiology},
  year={1996},
  volume={270 1 Pt 2},
  pages={
          R71-9
        }
}
A common response after only 3-4 days of repeated exercise in younger individuals is an expansion of plasma volume (PV); however, it is not known if older individuals have a similar response. In this study, six older (O) (67 +/- 1 yr) and six younger (Y) men (24 +/- 2 yr) cycled for 4 successive days at 50% maximal oxygen consumption (Vo2max) for 90 min in a warm environment [30 degrees C temperature dry bulb (Tdb), 24 degrees C temperature wet bulb (Twb)]. On day 4, PV was increased (P < 0.05… CONTINUE READING

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