| Period 1 | Period 4 | ||
---|---|---|---|---|
 | Rest | Contraction | Rest | Contraction |
ATP | 24.7 ± 1.5 | 17.4 ± 1.6* | 19.7 ± 1.1†| 18.7 ± 1.2 |
PCr | 86.1 ± 3.4 | 13.9 ± 4.0* | 95.7 ± 6.0 | 35.1 ± 7.3* |
Cr | 55.3 ± 3.4 | 127.5 ± 3.4* | 44.7 ± 4.5 | 105.3 ± 4.7* |
Lactate | 9.7 ± 1.6 | 105.3 ± 9.0* | 9.4 ± 2.6 | 47.9 ± 8.9*†|