Table 3.
1 Dose Placebo | 1 week Beetroot Juice | P-value | |
---|---|---|---|
Exercise time at constant work rate, sec | 363 ± 125 | 449 ± 180 | 0.02 |
At exhaustion: | |||
VO2, ml/kg/min | 12.0 ± 2.2 | 12.0 ± 2.6 | 0.79 |
VO2, ml/min | 1065 ± 321 | 1069 ± 341 | 0.82 |
VCO2, ml/min | 1259 ± 421 | 1239 ± 422 | 0.46 |
Respiratory exchange ratio | 1.18 ± 0.08 | 1.16 ± 0.09 | 0.32 |
Heart rate, bpm | 121 ± 21 | 122 ± 23 | 0.59 |
Systolic blood pressure, mmHg | 166 ± 16 | 159 ± 17 | 0.054 |
Diastolic blood pressure, mmHg | 77 ± 9 | 75 ± 6 | 0.38 |
Rate pressure product, bpm*mmHg | 20187 ± 4622 | 19616 ± 5182 | 0.43 |
Data is presented as mean ± SD. Mean constant work rate = 45 W. Exercise time excludes the 2-minute unloaded pedaling period.