Table 1. Ventilatory and Physiologic parameters were obtained during CPx vs. CPxEL. CPx CPxEL Bias (LoA) ES r   Rest V̇O2 (ml·kg-1·min-1) 3.7 ± 0.53 4.0 ± 0.78* -0.3 (0.9 to -1.54) 0.50 S 0.62* L HR (bpm) 70 ± 13 71 ± 11 -0.9 (14.0 to -15.0) 0.08 N 0.81*VL Lactate (mmol·L) 0.97 ± 0.43 1.24 ± 0.54* -0.3 (0.6 to -1.15) 0.54 M 0.59*L   VT1 V̇O2 (ml·kg-1·min-1) 23.1 ± 6.75 26.3 ± 4.73* -3.2 (8.5 to -14.9) 0.55 M 0.50* L HR (bpm) 131 ± 15 140 ± 15* -8.9 (19.0 to -36.0) 0.59 M 0.57* L BORG-CR10 2.1 ± 0.8 2.1 ± 1.32 0.0 (2.9 to -2.9) 0.00 N 0.11 S OMNI-RES EB 2.4 ± 1.13 2.5 ± 1.77 -0.1 (3.4 to -3.6) 0.00 N 0.31 M   VT2 V̇O2 (ml·kg-1·min-1) 38.1 ± 6.97 38.8 ± 5.61 -0.7 (7.4 to -8.8) 0.11 N 0.81* VL HR (bpm) 176 ± 12 180 ± 11* -3.7 (10.0 to -17.0) 0.34 S 0.80* VL BORG-CR10 4.2 ± 1.2 5.4 ± 1.61* -1.3 (1.9 to -4.4) 0.73 M 0.40 M OMNI-RES EB 5.0 ± 1.38 5.9 ± 1.75* -0.9 (3.0 to -4.8) 0.62 M 0.22 S Exhaustion V̇O2 (ml·kg-1·min-1) 43.8 ± 7.10 40.0 ± 5.76* 3.8 (12.1 to -4.6) 0.58 M 0.80* VL HR (bpm) 189 ± 10 186 ± 10 3.1 (20.0 to -14.0) 0.30 S 0.65* L Lactate (mmol·L) 10.4 ± 2.5 9.6 ± 2.6 0.8 (5.8 to -4.3) 0.29 S 0.48* M RER 1.07 ± 0.06 1.05 ± 0.04 0.02 (0.13 to -0.09) 0.31 S 0.49* M BORG-CR10 7.5 ± 1.8 8.5 ± 1.5* -1.1 (3.1 to -5.3) 0.59 M 0.18 S OMNI-RES EB 7.6 ± 1.6 8.6 ± 1.2* -1.0 (2.4 to -4.4) 0.68 M 0.29 S Duration (min) 13.2 ± 2.2 10.1 ± 2.2* 3.2 (6.0 to -0.3) 1.41 L 0.78* L VT1: first ventilatory threshold; VT2: second ventilatory threshold; Exhaustion: maximal values; V̇O2: oxygen consumption; HR: heart rate. RER: Respiratory Exchange Ratio; BORG-CR10 and OMNI-RES EB: Perceived Exertion Scales representing central and peripheric effort respectively; Effect Size (ES) and Pearson Correlation (R); N = Null; S = Small; M = Moderate; L= Large; VL = Very large. *CPx versus CPxEL (P < 0.05).