Table 1.
Mean (±SD) capillary blood pH, Bicarbonate (HCO3), haematocrit (Hct), haemoglobin (Hb), Sodium (Na+) and Potassium (K+) in response to on-court conditioning drills in the heat with and without pre-cooling.
| Measure | Condition | Pre | Post |
|---|---|---|---|
| pH (au) | Cooling | 7.43 (.04) | 7.32 (.04) |
| Control | 7.42 (.04) | 7.31 (.04) | |
| HCO3 (mmol.L-1) | Cooling | 23.7 (2.5) | 12.7 (1.9) |
| Control | 24.1 (2.3) | 13.1 (2.3) | |
| Hct (%) | Cooling | .49 (.03) | .48 (.06) |
| Control | .48 (.04) | .50 (.04) | |
| Hb (g.mL-1) | Cooling | 16.5 (.9) | 16.3 (1.9) |
| Control | 16.3 (1.2) | 17.1 (1.2) | |
| Na+ (mmol.L-1) | Cooling | 143 (2) | 148 (2) |
| Control | 143 (2) | 147 (2) | |
| K+ (mmol.L-1) | Cooling | 3.8 (.4 ) | 4.0 (.5) |
| Control | 4.0 (.5) | 4.6 (.6) |
No significant difference between conditions for any measure (p > 0.05)