Hyperpnea training attenuates peripheral chemosensitivity and improves cycling endurance
Michael E. McMahon1,
Urs Boutellier1,
Richard M. Smith2 and
Christina M. Spengler1,*
1 Exercise Physiology, Swiss Federal Institute of Technology and University
of Zurich, Zurich, Switzerland
2 John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii,
USA

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Fig. 1. Percentage decline in ventilation during brief hyperoxia (10-14 breaths)
while cycling at 40% of maximal power output for individuals of the control
group ( , N=9) and the respiratory muscle training (RMT) group
(, N=9) before (Pre) and after (Post) the RMT or control
period. Open symbols show means ± S.D. *Significantly
different for between-group difference of the pre/post-changes in the
response, P<0.05.
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Fig. 2. Cycling endurance times at 85% of maximal power output for individuals of
the control group ( , N=10) and the respiratory muscle training
(RMT) group (, N=10) before (Pre) and after (Post) the RMT or
control period. Open symbols show means ± S.D.
*Significantly different for between-group difference of the
pre/post-changes in end-time, P<0.05.
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