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. 2016 Apr 19;7:138. doi: 10.3389/fphys.2016.00138

Figure 1.

Figure 1

Overview of the whole protocol conducted in a crossover design in 2 consecutive years. In horizontal axis the protocol duration of each part in weeks (W) and in vertical axis the testing altitude, including: the 6 months before the lead-in period where the training loads were assessed, the lead-in, the LHTL camp, and the lead-out period. With: 3-km test = the 3-km running tests on the track near sea level made on Pre-, Post-1, Post-7, and Post-21; LHTL = Live High Train Low training camp for normobaric hypoxia (NH) and hypobaric hypoxia (HH). The two dark gray slots before and after the LHTL period correspond to the 2 days of Pre- and Post-tests (i.e., Pre1, Pre2 and Post1, Post2, respectively) at 1150 m.