Table 4

 Fluid turnover in footballers and cross country runners during practices/runs

SportWeight loss (kg)Sweat loss (litres)Fluid consumed (litres)Fluid consumed (ml/min)Urine volume (ml)Urine volume (ml/min)Sweat rate (litres/h)
Data are mean (SD). Daily totals is during practices/runs.
Significantly higher than in cross country runners, *p<0.01, **p<0.001, ***p<0.0001.
FB, American football; CC, cross country running.
MorningFB1.71 (0.9)4.83 (1.2) ***3.23 (1.2)***23.9 (8.9)***105.9 (40.2)0.8 (0.3)*2.15 (0.56)*
CC1.35 (0.3)1.56 (0.4)0.33 (0.19)5.5 (3.1)119.2 (105.7)1.99 (1.7)1.56 (0.4)
AfternoonFB1.69 (0.85)4.76 (1.2)***3.19 (0.98)***23.5 (7.3)*112.2 (32.1)**0.83 (0.24)2.12 (0.53)
CC1.21 (0.18)1.97 (0.28)0.82 (0.36)13.6 (5.6)57.1 (42.4)0.95 (0.71)1.97 (0.28)
Daily mean ratesFB23.73 (8.03)*0.82 (0.27)*2.14 (0.53)*
CC9.55 (6.24)1.47 (1.4)1.77 (0.4)
Daily totalsFB3.4 (0.95)9.4 (2.2)***6.42 (1.7)***109.06 (35.96)
CC2.56 (0.34)3.53 (0.54)1.15 (0.53)88.17 (84.38)