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Table 2 Performance and physiological variables during the 30-minute time trial completed in normobaric hypoxia

From: Blueberry supplementation reduces the blood lactate response to running in normobaric hypoxia but has no effect on performance in recreational runners

Variable

PLA

BLU

30-minute time trial (km)

 0–15 min split

2.21 ± 0.31

2.22 ± 0.38

 15–30 min split

2.26 ± 0.32

2.24 ± 0.33

 Total distance

4.46 ± 0.62

4.47 ± 0.69

Heart Rate (HR)

 Average HR during TT

176.3 ± 13.7

175.3 ± 12.7

 Maximum HR during TT

187.3 ± 15.1

186.6 ± 13.4

%SaO2

 30-minute average during TT

89.3 ± 1.4

89.2 ± 2.1

Rating of Perceived Exertion (RPE)

 Maximum RPE during TT

18.1 ± 1.4

18.5 ± 1.2