TABLE 2.
Metabolic responses during progressive exercise test to exhaustion
| %VO2max |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | P-Value | |
| Fat Oxidation (g/min) | |||||||||||
| LCHF | 0.38 ± 0.06 | 0.38 ± 0.06 | 0.52 ± 0.18 | 0.68 ± 0.30 | 1.00 ± 0.23 | 1.15 ± 0.22 | 1.06 ± 0.27 | 0.97 ± 0.27 | 0.73 ± 0.29 | 0.30 ± 0.36 | Time, P < 0.001; η2p = 0.827 Condition, P < 0.001; η2p = 0.936 Interaction, P = 0.001; η2p = 0.403 |
| HCLF | 0.10 ± 0.06 | 0.13 ± 0.07 | 0.19 ± 0.17 | 0.39 ± 0.17 | 0.50 ± 0.27 | 0.53 ± 0.13 | 0.44 ± 0.22 | 0.26 ± 0.24 | 0.12 ± 0.08 | 0.09 ± 0.02 | |
|
| |||||||||||
| CHO Oxidation (g/min) | |||||||||||
| LCHF | 0.26 ± 0.15 | 0.26 ± 0.15 | 0.24 ± 0.19 | 0.33 ± 0.29 | 0.38 ± 0.31 | 0.64 ± 0.34 | 1.13 ± 0.47 | 1.97 ± 0.80 | 3.48 ± 1.09 | 6.16 ± 1.56 | Time, P < 0.001; η2p = 0.971 Condition, P < 0.001; η2p = 0.932 Interaction, P < 0.001; η2p = 0.592 |
| HCLF | 0.97 ± 0.34 | 0.97 ± 0.34 | 1.32 ± 0.31 | 1.48 ± 0.39 | 1.65 ± 0.79 | 1.95 ± 0.62 | 2.76 ± 0.26 | 3.95 ± 0.55 | 5.65 ± 0.75 | 8.43 ± 1.18 | |
|
| |||||||||||
| % Total EE Fat | |||||||||||
| LCHF | 78.3 ± 11.1 | 79.7 ± 12.0 | 87.6 ± 14.8 | 90.1 ± 14.3 | 92.1 ± 11.8 | 85.1 ± 11.7 | 72.4 ± 11.6 | 59.0 ± 12.9 | 39.0 ± 16.0 | 12.9 ± 19.8 | Time, P < 0.001; η2p = 0.926 Condition, P < 0.001; η2p = 0.959 Interaction, P < 0.001; η2p = 0.555 |
| HCLF | 27.3 ± 7.3 | 25.7 ± 3.0 | 33.1 ± 14.9 | 38.9 ± 16.2 | 43.6 ± 19.8 | 38.9 ± 10.2 | 30.1 ± 9.3 | 16.4 ± 11.9 | 2.3 ± 6.0 | 0.0 ± 0.0 | |
|
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| % Total EE CHO | |||||||||||
| LCHF | 21.7 ± 11.1 | 20.3 ± 12.0 | 12.4 ± 14.8 | 9.9 ± 14.3 | 7.9 ± 11.8 | 14.9 ± 11.7 | 27.6 ± 11.6 | 41.0 ± 12.9 | 61.0 ± 16 | 87.1 ± 19.8 | Time, P < 0.001; η2p = 0.926 Condition, P < 0.001; η2p = 0.959 Interaction, P < 0.001; η2p = 0.555 |
| HCLF | 72.7 ± 7.3 | 74.3 ± 3.0 | 66.9 ± 14.9 | 61.1 ± 16.2 | 56.4 ± 19.8 | 61.1 ± 10.2 | 69.9 ± 9.3 | 83.6 ± 11.9 | 97.9 ± 6.0 | 100 ± 0.0 | |