Table 1.
Differences in sweat loss, body mass (BM), and percent (%) BM loss between the hydrated (HYD) and dehydrated (DEH) trial at 0, 45, and 90 min of cycling at ∼65% VO2peak and after the time trial
| Time (min) | HYD | DEH | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean morning BM | 0–45 | 45–90 | 90–Post TT | Mean morning BM | 0–45 | 45–90 | 90–Post TT | |||
| Sweat | 0.7 ± 0.1 | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.8 ± 0.1 | 0.9 ± 0.1 | 0.7 ± 0.1 | ||||
| loss (L) | ||||||||||
| 0 | 45 | 90 | Post-TT | 0 | 45 | 90 | Post-TT | |||
| BM (kg) | 77.3 ± 3.0 | 77.4 ± 2.9 | 77.2 ± 2.8 | 77.1 ± 2.8 | 76.8 ± 2.7 | 77.6 ± 3.0 | 77.1 ± 3.1 | 76.5 ± 3.1* | 75.8 ± 3.1* | 75.2 ± 3.1* |
| BM loss (%) | – | – | – | – | −0.6 ± 0.1 | – | −0.6 ± 0.1 | −1.4 ± 0.3 | −2.3 ± 0.4 | −3.1 ± 0.7 |
Data are mean ± SD (n = 9).
*
Significantly lower than HYD (P < 0.05).