Table 2.
Blood variables and plasma volume shift before exercise and during post-exercise.
| Pre | 1 | 2 | 3 | 4 | 5 | 10 | 30 (min) | ||
|---|---|---|---|---|---|---|---|---|---|
| Glucose (mg/dL) | NOR | 78 ± 1.5 | 94 ± 6.6∗ | 104 ± 6.1∗ | 103 ± 6.0∗ | 99 ± 4.3∗ | 100 ± 6.3∗ | 93 ± 6.0 | 78 ± 4.1 |
| HYPO | 77 ± 2.2 | 101 ± 4.0∗ | 106 ± 4.7∗ | 102 ± 6.0∗ | 107 ± 5.0∗ | 101 ± 4.8∗ | 90 ± 4.8 | 77 ± 2.6 | |
| Insulin (μLU/mL) | NOR | 2.64 ± 0.6 | 1.69 ± 0.4 | – | – | – | – | – | 3.40 ± 1.2 |
| HYPO | 2.55 ± 0.6 | 1.93 ± 0.4 | – | – | – | – | – | 2.67 ± 0.6 | |
| Ketone body (μnol/L) | NOR | 127.7 ± 48.0 | 96.2 ± 17.3 | – | – | – | – | – | 166.1 ± 58.7 |
| HYPO | 88.7 ± 25.8 | 85.8 ± 6.2 | – | – | – | – | – | 76.7 ± 14.3 | |
| pO2 (mmHg) | NOR | 49 ± 5.0 | 73 ± 3.2∗ | 85 ± 1.6∗ | 90 ± 1.8∗ | 90 ± 2.4∗ | 87 ± 3.2∗ | 77 ± 4.3∗ | 55 ± 5.5 |
| HYPO | 61 ± 4.2 | 47 ± 1.4† | 56 ± 1.3† | 58 ± 1.1† | 58 ± 1.4† | 57 ± 1.7† | 51 ± 2.0† | 45 ± 3.6† | |
| pCO2 (mmHg) | NOR | 47 ± 1.4 | 39 ± 1.1∗ | 39 ± 0.5∗ | 38 ± 0.3∗ | 39 ± 0.5∗ | 40 ± 0.5∗ | 39 ± 0.7∗ | 43 ± 1.2 |
| HYPO | 44 ± 1.7 | 36 ± 1.0∗† | 36 ± 0.7∗† | 36 ± 0.5∗† | 36 ± 0.5∗† | 36 ± 0.6∗† | 36 ± 0.9∗† | 40 ± 1.5 | |
| ΔPV (%) | NOR | 0.0 ± 0.0 | −12.7 ± 2.9∗ | −12.5 ± 3.3∗ | −7.0 ± 6.3∗ | −11.3 ± 2.9∗ | −9.8 ± 3.6∗ | −4.3 ± 2.3∗ | −3.4 ± 6.5 |
| HYPO | 0.0 ± 0.0 | −15.0 ± 2.9∗ | −15.9 ± 2.7∗ | −13.9 ± 2.2∗ | −14.8 ± 2.3∗ | −12.8 ± 2.4∗ | −9.1 ± 2.0∗ | −5.6 ± 2.2∗ |
Values are means ± SE. ∗Significant difference vs. Pre. †Significant difference vs. Normoxia. PV, plasma volume.