Effects of maternal aerobic fitness on cardiorespiratory responses to exercise.

@article{Pivarnik1993EffectsOM,
  title={Effects of maternal aerobic fitness on cardiorespiratory responses to exercise.},
  author={James M. Pivarnik and Nancy A. Ayres and Mary Beth Mauer and David B. Cotton and Brian Kirshon and Gary A Dildy},
  journal={Medicine and science in sports and exercise},
  year={1993},
  volume={25 9},
  pages={993-8}
}
We hypothesized that aerobically fit women who continued to exercise throughout pregnancy would have enhanced cardiorespiratory responses to exercise. Physically active (N = 10) and sedentary (N = 6) subjects were compared during steady-state (15 min) semi-recumbent cycle exercise performed at a given heart rate (HR; 140 b.min-1) twice during pregnancy (25 wk, 36 wk) and 12 wk postpartum. Indirect calorimetry was used to measure volumes and fractional concentrations of expired gases. Cardiac… CONTINUE READING

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