From: A quasi-experimental examination of weight-reducing dehydration practices in collegiate male rowers
 | M | SD | Mdn | Min | Max |
---|---|---|---|---|---|
Hydration variables (At weigh-in) | |||||
 Urine osmolality (mmol/L) | 747.71 | 306.76 | 860.50 | 128.33 | 1148.00 |
 Plasma osmolality (mmol/L) | 296.30 | 8.56 | 297.00 | 275.33 | 310.67 |
 Symptom number (Z) | 1.02 | 1.89 | 0.10 | -0.83 | 5.67 |
 Symptom severity (Z) | 2.43 | 3.60 | 0.74 | -0.68 | 14.45 |
 Thirst (Z) | 3.13 | 7.05 | 1.26 | -3.77 | 25.51 |
Consumption (during rehydration) | |||||
 Carbohydrates (g) | 153.62 | 48.17 | 154.00 | 70.00 | 254.00 |
 Protein (g) | 18.17 | 7.90 | 18.00 | 7.20 | 38.00 |
 Fat (g) | 21.25 | 11.76 | 26.00 | 1.50 | 45.50 |
 Water (mL) | 1396.24 | 570.93 | 1438.75 | 295.50 | 2956.00 |
 Total calories (kcal) | 856.46 | 277.40 | 890.00 | 335.00 | 1300.00 |
Hydration variables (post rehydration) | |||||
 Urine osmolality (mmol/L) | 648.35 | 350.84 | 748.17 | 66.67 | 1109.33 |
 Plasma osmolality (mmol/L) | 295.25 | 5.33 | 295.67 | 284.67 | 306.67 |
 Symptom number (Z) | 0.85 | 2.57 | -0.05 | -0.83 | 12.33 |
 Symptom severity (Z) | 2.03 | 4.79 | 0.64 | -1.41 | 21.81 |
 Thirst (Z) | -2.66 | 2.05 | -2.58 | -7.49 | 0.78 |
Rowing ergometer performance variables | |||||
 Total incremental test watts (W) | 72,415.81 | 16,478.88 | 71,060.00 | 37,494.00 | 113,641.00 |
 Average 10-stroke peak power (W) | 680.32 | 73.03 | 678.75 | 540.50 | 806.00 |
 Average 10-stroke stroke rate (strokes/min) | 38.32 | 2.20 | 38.75 | 32.50 | 43.50 |
Maximal energy production variables | |||||
 Max VO2/kg (L/min) | 54.99 | 5.30 | 55.59 | 44.66 | 67.49 |
 Max lactate (mmol/L) | 13.80 | 2.44 | 13.35 | 9.30 | 19.30 |
 Resting blood lactate (mmol/L) | 3.03 | 2.44 | 2.55 | 0.93 | 16.20 |
Submaximal energy production variables | |||||
 VO2 at 2 mmol/L (L/min) | 37.74 | 6.39 | 38.53 | 28.83 | 50.54 |
 VO2 at 4 mmol/L (L/min) | 43.28 | 5.70 | 43.64 | 33.20 | 55.32 |
 Wattage at 2 mmol (W) | 185.17 | 45.87 | 183.59 | 95.00 | 284.76 |
 Wattage at 4 mmol (W) | 231.81 | 45.94 | 234.55 | 101.00 | 329.36 |
Visuomotor interception task | |||||
 Logit percent success | -1.56 | 1.68 | -1.39 | -4.60 | 1.39 |
 Target-finger position difference | 299.52 | 305.99 | 311.66 | -222.33 | 1008.45 |
 Target-finger time difference | -56.43 | 42.21 | -59.31 | -146.79 | 23.61 |
Visuomotor stop-signal task | |||||
 Logit successful inhibitions (%) | -0.14 | 2.41 | -0.26 | -4.60 | 4.60 |
Visuomotor double-step task | |||||
 Mean absolute error (BWD; mm) | 2.78 | 0.91 | 2.67 | 1.29 | 5.02 |
 Mean absolute error (FWD; mm) | 2.90 | 1.12 | 3.02 | 1.03 | 5.48 |
 Mean movement time (BWD; ms) | 317.21 | 103.54 | 294.79 | 205.93 | 604.64 |
 Mean movement time (FWD; ms) | 346.64 | 89.81 | 334.46 | 190.92 | 564.98 |