Table 2. Metabolites in soleus muscle at rest (Ctr) and at different exercise and recovery times.
Exercise | n | CrP | ATP | ADP | AMP | Lactate | |
Ctr | (0 s) | 52 | 10.3±0.5 | 3.5±0.1 | 0.69±0.03 | 0.19±0.01 | 3.1±0.2 |
1st bout | 20 s | 8 | 5.1±0.6* | 2.7±0.1* | 0.61±0.07 | 0.19±0.03 | 7.6±0.9* |
100 s | 13 | 3.0±0.4* † | 2.2±0.2* † | 0.82±0.03 | 0.31±0.04* | 17.2±1.0* † | |
Recovery | 20 s +2,5 min rec. | 6 | 10.7±0.4 | 2.6±0.3 | 0.50±0.06 | 0.14±0.03 | 6.1±0.9* |
100 s +15 min rec. | 5 | 9.3±1.6 | 2.9±0.4 | 0.60±0.05 | 0.16±0.03 | 6.4±0.8* | |
15 min +15 min rec.1 | 7 | 10.0±1.0 | 2.8±0.1 | 0.62±0.02 | 0.14±0.03 | 6.2±0.5* | |
2nd bout | 100 s | 7 | 2.4±0.3* | 1.5±0.2* # | 0.68±0.06 | 0.24±0.03 | 10.6±1.3* # |
15 min | 7 | 8.0±1.3 | 2.8±0.3 | 0.78±0.07 | 0.19±0.04 | 6.4±0.9* |
Values are in mmol kg wet weight-1, average ± SEM.
p<0.05 vs. control,
p<0.05 vs. 20 s exercise,
p<0.05 vs. 100 s exercise in the 1st bout. Rec. recovery.
i.e. at start of the 2nd bout.