Table 1. Mean (±SD) [95% interval confidence] values measured by Jaeger Oxycon Pro (OP) and Jaeger Oxycon Mobile (OM). Speed (Km·h-1) Device VO2 (ml·min-1) VCO2 (ml·min-1) VE (L·min-1) RER 11 OP 2939 (491) [2424 - 3454] 2498 (553) [1917 – 3078] 71.3 (14.9) [55.7 – 87.0] .84 (.06) [.78 - .90] OM 2616 (220) [2386 -2847] 2327 (223) [2093 -2561] 66.4 (6.1) [60.0 – 72.9] .89 (.03) [.86 - .92] 12 OP 3256 (429) * [2806 - 3706] 2748 (413) [2315 – 3181] 80 (12) [68 – 92] 0.84 (0.04) * [0.81 – 0.88] OM 2935 (244) [2679 – 3192] 2755 (254) [2489 – 3022] 78 (8.0) [69 – 86] 0.94 (0.03) [0.91 – 0.97] 13 OP 3537 (442) * [3074 – 4001] 3023 (427) [2575 – 3472] 89.0 (14.7) [73.5 - 104.5] 0.85 (0.04) * [0.81 - 0.90] OM 3175 (214) [2950 – 3399] 3102 (223) [2868 – 3337] 89.7 (9.0) [80.3 - 99.1 ] 0.98 (0.03) [0.94 – 1.01] 14 OP 3832 (439) * [3371 – 4293] 3340 (443) [2875 – 3805] 99.3 (18.0) [80.4 – 118.3] 0.87 (0.04)* [0.83 – 0.91] OM 3400 (234) [3154 – 3646] 3424 (265) [3146 – 3703] 101.5 (12.6) [88.3 - 114.7] 1.01 (0.03) [0.97 – 1.04] 15 OP 4195 (392)* [3783 – 4606] 3575 (416) [3322 - 4194] 112.5 (19.1) [92.4 – 132.6] 0.90 (0.05)* [0.85 – 0.94] OM 3656 (254) [3390 - 3923] 3794 (358) [3418 - 4170] 112.2 (18.5) [94.8 -129.5 ] 1.04 (0.04) [0.99 – 1.09] 16 OP 4429 (385)* [4025 – 4833] 4128 (422) [3685 -4570 ] 124.5 (20.9) [102.6–146.4] 0.93 (0.05) [0.88 – 0.99] OM 3892 (296) [3581 - 4202] 4180 (467) [3689 - 4670] 123.3 (20.9) [101.4–145.3] 1.07 (0.07) [0.99 – 1.15] 17 OP 4580 (376)* [4113 – 5048] 4435 (485) [3833 – 5037] 136.2 (22.4) [108.4–164.0] 0.97 (0.06)* [0.89 – 1.04] OM 3966 (272) [3268 - 4304] 4497 (394) [4008 - 4986] 141.8 (16.5) [121.3–162.3] 1.14 (0.05) [1.08–1.20] VO= oxygen consumption, VCO= Production of CO, V = ventilation volume, RER = respiratory exchange ratio * significant differences (p < 0.05).