Table 1 Summary of studies investigating the effect of hypoxia on RER during exercise matched for absolute intensity
From: Response: Commentary on the effects of hypoxia on energy substrate use during exercise
Study | Participants | Study design | Type of hypoxia | Altitude (m) | Duration of hypoxia | RER |
|---|---|---|---|---|---|---|
Braun et al. [7] | 15 (females) | 30 min cycling at SL (50% SL VO2max) and hypoxia (65% altitude VO2max) | TA | 4300 | 10 days | SL: 0.95 ± 0.01 CH: 0.94 ± 0.02 |
Katz and Sahlin [8] | 8 (males) | 5 min exercise at SL (49% SL VO2max) and altitude (67% altitude VO2max) | NH | 4500 | 22 min | SL: 0.96 ± 0.01 AH: 1.10 ± 0.04 |
Kelly and Basset [9] | 7 (males) | 60 min exercise at SL (69% SL VO2max) and altitude (78% altitude VO2max) | NH | 2750 | 180 min | SL: 0.92 ± 0.05 AH: 0.93 ± 0.04 |
Lundby and Van Hall [10] A | 8 (male = 6, female = 2) | 60 min cycling at SL (46% SL VO2max) and at altitude (54% SL VO2max) | NH | 4100 | 70 min | SL: 0.91 ± 0.01 AH: 0.95 ± 0.02 |
Lundby and Van Hall [10] B | 8 (male = 6, female = 2) | 60 min cycling at SL (46% SL VO2max) and at altitude (59% altitude VO2max) | TA | 4100 | 28 days | SL: 0.91 ± 0.01 CH: 0.94 ± 0.01 |
Péronnet et al. [11] | 5 (males) | 80 min cycling at SL (54% SL max) and at altitude (77% altitude VO2max) | HH | 4300 | 110 min | SL: 0.92 ± 0.02 AH: 0.97 ± 0.01 |
Van Hall et al. [12] | 6 (male = 5, female = 1) | 20 min cycling at SL (46% SL VO2max) and altitude (82% altitude VO2max) | TA | 5620 | 63 days | SL: 0.92 ± 0.02 CH: 0.92 ± 0.01 |