Table 1.
Cardiorespiratory, metabolic and mechanic parameters recorded during graded exercise testing without a surgical mask
| Variable | Participants (n = 32) |
|---|---|
| VO2peak (mL kg−1 min−1) | 52.2 ± 7.0 |
| WRpeak (W) | 231.1 ± 35.8 |
| Vepeak (L min−1) | 119.7 ± 30.2 |
| TVpeak (mL min−1) | 2369.7 ± 502.4 |
| RRpeak (cpm) | 50.8 ± 9.1 |
| RERpeak | 1.10 ± 0.06 |
| Heart ratepeak (bpm) | 189.6 ± 9.0 |
| O2 pulsepeak (mL/beat) | 18.8 ± 4.2 |
| VT (mL kg−1 min−1) | 37.2 ± 4.8 |
| VT (%) | 71.6 ± 7.3 |
| WRVT (W) | 162.8 ± 35.8 |
Values are mean ± SD.
Abbreviations: O2 pulsepeak, peak oxygen pulse; RERpeak, peak respiratory exchange ratio; RRpeak, peak respiratory rate; TVpeak, peak tidal volume; Vepeak, peak minute ventilation; VO2peak, peak oxygen uptake; VT, ventilatory threshold, WRVT, work rate at the ventilatory threshold; WRpeak, peak work rate.