Table 2.

Blood and urine variables measured in triplicate

Trials
EU + WEU + NW HY + W HY + NW
Posm, mosmol/kg
 Preexercise287 ± 6 287 ± 5 295 ± 7* 296 ± 8*
 Postexercise 292 ± 11294 ± 7 293 ± 8 307 ± 11* 2-153
ΔPosm, mosmol/kg
 Postexercise+5 ± 2 +7 ± 1 −1 ± 2* +10 ± 1 2-153
Δplasma volume, %
 Postexercise +0.2 ± 1.4 −1.0 ± 0.5+1.2 ± 2.6 −5.3 ± 1.4 2-153
Plasma lactate, mmol/l
 Preexercise 1.6 ± 0.21.7 ± 0.2 1.2 ± 0.1* 1.5 ± 0.1
 Postexercise 1.3 ± 0.1 1.5 ± 0.11.3 ± 0.1 1.4 ± 0.1
Plasma glucose, mmol/l
 Preexercise 5.2 ± 0.55.3 ± 0.8 5.2 ± 0.6 5.2 ± 0.6
 Postexercise 5.1 ± 0.3 5.2 ± 0.44.8 ± 0.3 5.2 ± 0.6
Urine specific gravity
 Preexercise 1.016 ± 0.0021.015 ± 0.002 1.028 ± 0.001* 1.029 ± 0.001*
  • Values are means ± SE; n = 10. Δ, change during 90-min exercise bout; Posm, osmotic pressure.

  • * Significantly different from EU + NW (P < 0.025–0.0001);

  • significantly different from EU + W (P < 0.05–0.0001);

  • significantly different, within treatment (P < 0.01);

  • F2-153 significantly different from HY + W (P < 0.01–0.001).