Table 3. Adipose tissue (A) and leg (B) integrated net fluxes of various metabolites and oxygen.
| V̇O2,max | Pre-exercise | Exercise | Post-exercise | |
|---|---|---|---|---|
| A. Adipose tissue | ||||
| Glycerol output rate (μmol (100 g)−1 min−1) | 40% | 0·4 ± 0·1 | 1·3 ± 0·4* | 0·8 ± 0·2 |
| 60% | 0·6 ± 0·1† | 1·3 ± 0·3* | 1·2 ± 0·1* | |
| NEFA output rate (μmol (100 g)−1 min−1) | 40% | 1·0 ± 0·3 | 3·8 ± 1·1* | 1·7 ± 0·4* |
| 60% | 1·9 ± 0·4† | 4·8 ± 0·7* | 2·7 ± 0·1* | |
| TAG uptake rate (μmol (100 g)−1 min−1) | 40% | 0·1 ± 0·1 | −0·2 ± 0·2 | 0·0 ± 0·1 |
| 60% | 0·1 ± 0·1 | −0·2 ± 0·2 | 0·1 ± 0·1 | |
| Glucose uptake rate (μmol (100 g)−1 min−1) | 40% | 0·9 ± 0·3 | 0·1 ± 0·5 | 0·6 ± 0·5 |
| 60% | 0·6 ± 0·2 | −0·2 ± 0·6 | 0·8 ± 0·2 | |
| Lactate output rate (μmol (100 g)−1 min−1) | 40% | 0·2 ± 0·1 | 0·6 ± 0·1* | 0·4 ± 0·1 |
| 60% | 0·1 ± 0·2 | −0·6 ± 0·5 | 0·4 ± 0·1 | |
| Oxygen uptake rate (μmol (100 g)−1 min−1) | 40% | 2·1 ± 0·4 | 1·7 ± 0·5 | 2·2 ± 0·4 |
| 60% | 2·7 ± 0·5 | 1·4 ± 0·4 | 2·1 ± 0·4 | |
| B. Single leg | ||||
| Blood flow (ml min−1) | 40% | 342 ± 39 | — | 435 ± 40 |
| 60% | 330 ± 43 | — | 569 ± 65* | |
| Glycerol output rate (μmol min−1) | 40% | 3·2 ± 2·0 | — | 2·1 ± 2·9 |
| 60% | 2·4 ± 1·0 | — | 8·1 ± 2·7 | |
| NEFA output rate (μmol min−1) | 40% | 0·8 ± 6·1 | — | −21·2 ± 7·1 |
| 60% | 5·9 ± 3·3 | — | 19·7 ± 12·1 | |
| TAG uptake rate (μmol min−1) | 40% | 5·1 ± 2·3 | — | −1·4 ± 3·1 |
| 60% | 1·3 ± 6·8 | — | 4·2 ± 4·8 | |
| Glucose uptake rate (μmol min−1) | 40% | 32 ± 21 | — | 83 ± 27 |
| 60% | 38 ± 10 | — | 116 ± 32* | |
| Lactate output rate (μmol min−1) | 40% | 10 ± 7 | — | 22 ± 6 |
| 60% | 10 ± 9 | — | 24 ± 9 | |
| Oxygen uptake rate (μmol min−1) | 40% | 982 ± 163 | — | 1044 ± 163 |
| 60% | 907 ± 146 | — | 1292 ± 228 | |
*
Significant different from pre-exercise value (P < 0·05)
†
significant difference between the two experiments (P < 0·05).