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(A) SpO2 and (B) Maximal power outputs during graded cycling exercise with inspiratory resistance in normobaric hypoxia. ap ≤ 0.05 versus baseline; bp ≤ 0.05 versus rest in normobaric hypoxia. +p ≤ 0.05 versus R0; #p ≤ 0.05, versus R1.5 at maximal exercise in normobaric hypoxia. SpO2, oxygen saturation as measured by pulse oximetry.
