Slope (%) | Treadmill Speed (km h−1) | ||||
---|---|---|---|---|---|
8 | 10 | 12 | 14 | ||
+ 20 | VLR (N s−1 kg−1) | 187.5 ± 22.0ac | |||
ECR (J kg−1 m−1) | 9.9 ± 0.6 | – | – | – | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 62.7 ± 4.7 | ||||
+ 15 | VLR (N s−1 kg−1) | 184.2 ± 44.8aα | 217.6 ± 43.1aα | ||
ECR (J kg−1 m−1) | 7.7 ± 1.2α | 8.1 ± 0.6α | – | – | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 52.8 ± 6 | 65.1 ± 3.7 | |||
+ 10 | VLR (N s−1 kg−1) | 181.2 ± 54.3aα | 195.6 ± 60.8abαβ | 238.1 ± 67.6aγ | |
ECR (J kg−1 m−1) | 6.7 ± 0.6α | 6.5 ± 0.5α | 6.4 ± 0.3α | – | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 47.0 ± 3.6 | 54.6 ± 3.7 | 63.2 ± 2.9 | ||
+ 5 | VLR (N s−1 kg−1) | 199.7 ± 80.2aα | 246.9 ± 88.6abβ | 308.0 ± 104.6aγ | 318.0 ± 120.9aγ |
ECR (J kg−1 m−1) | 5.1 ± 0.5α | 4.9 ± 0.6α | 4.9 ± 0.7α | 5.0 ± 0.5α | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 38.3 ± 3.3 | 43.2 ± 4.0 | 50.1 ± 5.3 | 58.3 ± 3.5 | |
0 | VLR (N s−1 kg−1) | 210.3 ± 91.4abα | 279.5 ± 134.4abαβ | 337.0 ± 149.0aβ | 420.3 ± 184.6abγ |
ECR (J kg−1 m−1) | 4.0 ± 0.5α | 3.9 ± 0.4α | 3.9 ± 0.6α | 4.0 ± 0.3α | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 31.4 ± 3.2 | 37.2 ± 3.0a | 43.0 ± 4.7 | 49.0 ± 3.3 | |
− 5 | VLR (N s−1 kg−1) | 269.6 ± 117.7bcα | 335.8 ± 133.7aβ | 435.8 ± 164.7abγ | 499.6 ± 167.1bcδ |
ECR (J kg−1 m−1) | 3.2 ± 0.4α | 3.0 ± 0.4αβ | 2.9 ± 0.5β | 3.0 ± 0.4αβ | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 26.2 ± 2.9 | 29.8 ± 2.9 | 33.8 ± 4.4 | 39.4 ± 3.4 | |
− 10 | VLR (N s−1 kg−1) | 340.6 ± 147.4dα | 409.6 ± 145.3cβ | 507.1 ± 168.7bγ | 597.0 ± 181.9cδ |
ECR (J kg−1 m−1) | 2.8 ± 0.6α | 2.6 ± 0.5aβ | 2.5 ± 0.4aβ | 2.6 ± 0.4β | |
\({\dot{\text{V}}\text{O}}_{{2}}\) (ml kg−1 min−1) | 23.8 ± 3.8 | 26.8 ± 4.0 | 30.2 ± 3.9a | 34.6 ± 4.1 | |
− 20 | VLR (N s−1 kg−1) | 633.3 ± 140.3dα | 756.8 ± 165.6cβ | 884.6 ± 166.3dβ | |
ECR (J kg−1 m−1) | – | 2.2 ± 0.4aα | 2.2 ± 0.5aβ | 2.1 ± 0.5γ | |
\({\dot{\text{V}}\text{O}}_{{2}}\)(ml kg−1 min−1) | 23.9 ± 3.6α | 27.1 ± 4.9aαβ | 29.3 ± 6.3β |