From: Beta alanine supplementation effects on metabolic contribution and swimming performance
Parameters | Suppl. | Moment | Significance value (p) | |||
---|---|---|---|---|---|---|
Pre | Post | Moment | Supplementation | Interaction | ||
Energy provision parameters | ||||||
MAOD (L) | BA | 3.84 ± 1.4 | 2.94 ± 1.2 | 0.008* | 0.639 | 0.160 |
PLA | 3.86 ± 1.2 | 2.94 ± 0.9 | ||||
Aer. contribution (L) | BA | 14.3 ± 4 | 13.3 ± 3.1 | 0.128 | 0.141 | 0.921 |
PLA | 13.7 ± 3.8 | 12.6 ± 2.9 | ||||
Ana. lactic contribution (L) | BA | 2.27 ± 0.9 | 1.5 ± 0.6 | 0.002* | 0.685 | 0.179 |
PLA | 2.26 ± 0.9 | 1.9 ± 0.8 | ||||
Ana. alactic contribution (L) | BA | 1.32 ± 0.4 | 1.1 ± 0.6 | 0.056 | 0.415 | 0.342 |
PLA | 1.35 ± 0.4 | 1.4 ± 0.8 | ||||
Aer. contribution (%) | BA | 82.1 ± 6.3 | 83.7 ± 6.3 | 0.960 | 0.453 | 0.276 |
PLA | 81.3 ± 4.1 | 79.4 ± 8.5 | ||||
Ana. lactic contribution (%) | BA | 12.9 ± 4.7 | 9.5 ± 3.1 | 0.022* | 0.520 | 0.356 |
PLA | 13.4 ± 3.8 | 11.8 ± 4.2 | ||||
Ana. alactic contribution (%) | BA | 4.9 ± 2.3 | 6.6 ± 3.2 | 0.032* | 0.413 | 0.414 |
PLA | 5.2 ± 2.2 | 8.7 ± 4.3 | ||||
Metabolic parameters | ||||||
∆Lactate (mM) | BA | 11.6 ± 3.6 | 8 ± 2.4 | 0.001* | 0.762 | 0.166 |
PLA | 11.2 ± 3.1 | 9.46 ± 3.3 | ||||
Total energetic cost (L) | BA | 19.6 ± 4.4 | 18.1 ± 3.4 | 0.062 | 0.945 | 0.623 |
PLA | 19.2 ± 4.4 | 18.26 ± 3.4 | ||||
VO2max (ml.kg.min−1) | BA | 58.8 ± 9.3 | 54.1 ± 6.0 | 0.045* | 0.942 | 0.650 |
PLA | 54.2 ± 8.0 | 51.7 ± 4.8 |