Exercise-induced changes in the percentage of free testosterone and estradiol in trained and untrained women.

@article{Keizer1987ExerciseinducedCI,
  title={Exercise-induced changes in the percentage of free testosterone and estradiol in trained and untrained women.},
  author={Hans A. Keizer and Erwin P. J. Beckers and Jakob de Haan and Gerard M Janssen and Harm Kuipers and G van Kranenburg and Peter Geurten},
  journal={International journal of sports medicine},
  year={1987},
  volume={8 Suppl 3},
  pages={151-3}
}
We have studied the effect of exercise on the percentage of free plasma estradiol 17-beta (E2) and testosterone (T) in 13 untrained (UT) and 8 trained (marathon runners, MR) eumenorrheic women. All women performed a standardized bicycle ergometer (UT) or treadmill (MR) test in the follicular and luteal phases of their menstrual cycles (15-min consecutive work loads of 60%, 70%, and 80% VO2 max to exhaustion). Blood was drawn through an indwelling venous catheter at 15 and 2 min before and… CONTINUE READING

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