Table 2. .
Urine Specific Gravity, Percentage in Weight Changes, and Training Facility Ambient Air Temperatures
| Descriptor |
Mean(±SD ) |
Minimum |
Maximum |
| Urine specific gravity | |||
| Baseline | 1.006(0.006) | 1.000 | 1.019 |
| Prepractice | 1.025(0.008) | 1.001 | 1.035 |
| Postpractice | 1.025(0.008) | 1.005 | 1.036 |
| Weight changes, %a | |||
| Baseline versus prepractice | 2.36(3.67) | −11.44 | 6.80 |
| Baseline versus postpractice | 4.83(3.43) | −7.78 | 9.92 |
| Prepractice versus postpractice | 2.52(0.84) | 0.60 | 4.77 |
| Training facility ambient air temperature, °F [°C] | |||
| Group 1b | 83.46 [28.60] (1.29 [0.71]) | 81.0 [27.2] | 85.1 [29.5] |
| Group 2 | 83.10 [28.40] (0.67 [0.36]) | 81.8 [27.67] | 83.7 [28.72] |
a
Positive percentages represent a drop in weight relative to the first time point.
b
One-half of the wrestlers (group 1) practiced 1 Monday, and the other half (group 2) practiced the following Monday, as described in our procedures.