Exercise intensity | ||||||||
---|---|---|---|---|---|---|---|---|
 |  | Very light – light | Moderate | Vigorous | ||||
25%HRR | 35%HRR | 45%HRR | 55%HRR | 65%HRR | 75%HRR | 85%HRR | ||
HR (beats·min−1) | 84.1 ± 6.2 | 97.6 ± 6.3 | 111.0 ± 6.5 | 124.4 ± 6.8 | 137.9 ± 7.2 | 151.3 ± 7.7 | 164.7 ± 8.2 | |
Estimation of | Cyclinga | 0.84 ± 0.35 | 1.23 ± 0.41 | 1.61 ± 0.49 | 2.00 ± 0.58 | 2.39 ± 0.67 | 2.78 ± 0.76 | 3.17 ± 0.85 |
V̇O2 (L·min− 1) |  | (0.69 to 0.98) | (1.05 to 1.40) | (1.41 to 1.82) | (1.76 to 2.25) | (2.11 to 2.67) | (2.46 to 3.10) | (2.81 to 3.53) |
 | Walkingb | 0.95 ± 0.37 | 1.34 ± 0.44 | 1.73 ± 0.51 | 2.12 ± 0.59 | 2.52 ± 0.67 | 2.91 ± 0.76 | 3.30 ± 0.84 |
 |  | (0.80 to 1.11) | (1.16 to 1.53) | (1.52 to 1.95) | (1.87 to 2.38) | (2.23 to 2.80) | (2.59 to 3.23) | (2.94 to 3.66) |
 | Runningc | 0.86 ± 0.34 | 1.25 ± 0.39 | 1.64 ± 0.46 | 2.03 ± 0.54 | 2.42 ± 0.62 | 2.81 ± 0.71 | 3.21 ± 0.79 |
 |  | (0.72 to 1.00) | (1.08 to 1.41) | (1.45 to 1.83) | (1.81 to 2.26) | (2.16 to 2.69) | (2.52 to 3.11) | (2.87 to 3.54) |
Absolute | Walk vs Cyc | 0.11 ± 0.23 | 0.12 ± 0.21* | 0.12 ± 0.19* | 0.12 ± 0.17** | 0.12 ± 0.17** | 0.13 ± 0.17** | 0.13 ± 0.18** |
differences | Â | (0.02 to 0.21) | (0.03 to 0.20) | (0.04 to 0.20) | (0.05 to 0.19) | (0.05 to 0.19) | (0.06 to 0.20) | (0.05 to 0.20) |
(L·min−1) | Run vs Cyc | 0.02 ± 0.20 | 0.02 ± 0.17 | 0.03 ± 0.15 | 0.03 ± 0.14 | 0.03 ± 0.13 | 0.03 ± 0.14 | 0.04 ± 0.16 |
 |  | (− 0.06 to 0.11) | (− 0.05 to 0.10) | (− 0.04 to 0.09) | (− 0.03 to 0.09) | (− 0.03 to 0.09) | (− 0.03 to 0.09) | (− 0.03 to 0.10) |
 | Run vs Walk | − 0.09 ± 0.27 | − 0.09 ± 0.23 | −0.09 ± 0.20 | −0.09 ± 0.17* | −0.09 ± 0.14** | −0.09 ± 0.12** | −0.09 ± 0.09*** |
 |  | (−0.21 to 0.02) | (− 0.19 to 0.01) | (− 0.18 to − 0.01) | (−0.17 to − 0.02) | (−0.15 to − 0.03) | (−0.14 to − 0.04) | (−0.13 to − 0.05) |
Relative | Walk vs Cyc | 22.6 ± 52.2 | 11.8 ± 23.3* | 8.4 ± 14.3* | 6.7 ± 10.1** | 5.7 ± 7.9** | 5.0 ± 6.7** | 4.6 ± 6.1** |
differences | Â | (0.5 to 44.6) | (1.9 to 21.6) | (2.3 to 14.4) | (2.4 to 11.0) | (2.4 to 9.0) | (2.2 to 7.9) | (2.0 to 7.1) |
(%) | Run vs Cyc | 6.5 ± 27.6 | 3.5 ± 15.0 | 2.7 ± 9.9 | 2.3 ± 7.4 | 2.0 ± 6.1 | 1.9 ± 5.6 | 1.8 ± 5.4 |
 |  | (−5.2 to 18.1) | (−2.8 to 9.9) | (− 1.5 to 6.9) | (− 0.9 to 5.4) | (− 0.6 to 4.6) | (− 0.5 to 4.2) | (−0.5 to 4.1) |
 | Run vs Walk | − 5.3 ± 29.9 | − 4.9 ± 17.9 | −4.2 ± 11.8 | − 3.7 ± 8.0 | −3.2 ± 5.5* | − 2.9 ± 3.8** | −2.6 ± 2.5*** |
 |  | (− 17.9 to 7.3) | (− 12.5 to 2.7) | (− 9.2 to 0.7) | (− 7.1 to − 0.3) | (− 5.6 to − 0.9) | (− 4.5 to − 1.3) | (− 3.7 to − 1.5) |