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. 2021 Aug 6;12:700620. doi: 10.3389/fphys.2021.700620

Figure 1.

Figure 1

Individual times of the 10-km time trials before and after respiratory muscle endurance training (RMET). **p < 0.01 and ***p < 0.001. Pre–post RMET normoxia and hypoxia means were different between men and women: normoxia before RMET, p < 0.001, hypoxia before RMET, p < 0.001, normoxia after RMET, p < 0.001, and hypoxia after RMET, p < 0.05 (Sidak multiple comparison adjusted).