Table 2.
Baseline anthropometric, training, and diet characteristics of the examined athletes
| BA→ALK group | ALK→BA group | BA→ALK vs. ALK→BA group |
||||||
|---|---|---|---|---|---|---|---|---|
| Mean | ± | SD | Mean | ± | SD | p-value | ||
| N | 5 | 4 | - | |||||
| Age | (years) | 21 | ± | 3 | 19 | ± | 3 | 0.27 |
| Body height | (cm) | 181 | ± | 6 | 179 | ± | 10 | 0.60 |
| Body mass | (kg) | 68.1 | ± | 1.2 | 70.2 | ± | 14.5 | 0.75 |
| Fat mass | (kg) | 13.8 | ± | 5.6 | 14.5 | ± | 3.6 | 1.00 |
| Fat-free mass | (kg) | 54.2 | ± | 5.5 | 56.2 | ± | 16.9 | 0.81 |
| V̇O2max | (L·min−1) | 3.65 | ± | 0.67 | 3.68 | ± | 1.09 | 0.95 |
| Training experience | (years) | 8 | ± | 1 | 9 | ± | 3 | 0.52 |
| Energy intake | (kcal·day−1) | 2343 | ± | 492 | 2796 | ± | 472 | 0.20 |
| (kcal·kg−1) | 35.1 | ± | 7.3 | 41.6 | ± | 14.0 | 0.39 | |
| Protein intake | (g·day−1) | 109 | ± | 19 | 111 | ± | 15 | 0.86 |
| (g·kg−1) | 1.6 | ± | 0.3 | 1.6 | ± | 0.5 | 0.71 | |
| (% of energy) | 18.9 | ± | 3.1 | 16.2 | ± | 2.9 | 0.21 | |
| Fat intake | (g·day−1) | 71 | ± | 27 | 106 | ± | 42 | 0.17 |
| (g·kg−1) | 1.1 | ± | 0.4 | 1.6 | ± | 0.7 | 0.21 | |
| (% of energy) | 26.6 | ± | 6.1 | 33.1 | ± | 10.6 | 0.28 | |
| Carbohydrate intake | (g·day−1) | 338 | ± | 60 | 379 | ± | 57 | 0.33 |
| (g·kg−1) | 5.1 | ± | 0.9 | 5.7 | ± | 2.0 | 0.56 | |
| (% of energy) | 58.1 | ± | 3.4 | 55.0 | ± | 9.1 | 0.51 | |
Values are expressed as means ± standard deviation (SD). Abbreviations: ALK multi-ingredient extra-cellular buffering supplement; ALK→BA group the order of implementing the supplementation, 1st ALK, 2nd BA after wash-out; BA multi-ingredient intra-cellular buffering supplement; BA→ALK group the order of implementing the supplementation, 1st BA, 2nd ALK after wash-out; V̇O2max maximal oxygen uptake