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Fig. 3 | BMC Sports Science, Medicine and Rehabilitation

Fig. 3

From: Effects of a taped filter mask on peak power, perceived breathlessness, heart rate, blood lactate and oxygen saturation during a graded exercise test in young healthy adults: a randomized controlled trial

Fig. 3

Ratings of the modified Borg dyspnoea scale (A) and oxygen saturation (B) during graded exercise tests. Data are expressed relative to the maximal workload achieved in the control (no mask) condition. Black horizontal dotted line in A indicates the breathlessness threshold of 7 (very severe). One-way repeated measures ANOVAs were done for each parameter at each normalised workload in a 5%-interval. We performed statistical tests until 90% of peak power because in some trials the subjects did not reach this percentage of their maximal workload. Therefore there was not enough data for statistical analysis. Significant findings are marked with a "*"

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