Table 2. Serum electrolyte concentrations, body temperature, and heart rate during exercise. Values are mean (SD) for 7 subjects.
|
NF |
VF |
PF |
FF |
| Serum sodium (mmol·L-1) |
| Pre |
138 (2) |
139 (2) |
139 (3) |
138 (1) |
| Post |
142 (2) § |
139 (2) |
139 (2) |
138 (1) † |
| Serum potassium (mmol·L-1) |
| Pre |
3.5 (0.2) |
3.6 (0.3) |
3.6 (0.2) |
3.6 (0.2) |
| Post |
4.1 (0.3) § |
4.2 (0.3) § |
4.0 (0.2) |
4.0 (0.3) |
| Serum chloride (mmol·L-1) |
| Pre |
104 (1) |
104 (2) |
104 (1) |
104 (2) |
| Post |
106 (2) |
103 (2) |
103 (1) |
102 (2) † |
| Tre (°C) |
| Rest |
37.0 (0.2) |
37.0 (0.2) |
37.0 (0.2) |
36.9 (0.2) |
| End of exercise |
38.8 (0.3) |
38.3 (0.3) † |
38.2 (0.2) † |
37.9 (0.2) † |
| Tsk (°C) |
| Rest |
33.7 (0.5) |
33.6 (0.7) |
33.5 (0.6) |
33.5 (0.6) |
| End of exercise |
34.9 (1.0) |
34.9 (0.9) |
34.4 (0.8) |
34.4 (0.9) |
| HR (beats·min-1) |
| Rest |
83 (5) |
84 (5) |
88 (5) |
90 (6) |
| End of exercise |
181 (9) |
167 (8) * |
164 (10) † |
154 (11) † ‡ |
‡ p < 0.05 denotes a significant difference from the VF trial.† p < 0.01 denotes a significant difference from the NF trial.* p < 0.05 and T, rectal temperature; T, mean skin temperature; HR, heart rate.§ p < 0.01 denotes a significant difference from pre-exercise.
