. 2016 May 12;594(15):4359–4370. doi: 10.1113/JP272037

Table 2.

Physiological responses at baseline and during exercise at 70% and 90% of ${\dot{V}}_{O_{2} \max}$

	Baseline		70%		90%
	LO	HI	LO	HI	LO	HI
PO (W)			185 ± 10	263 ± 13*	254 ± 12	347 ± 17*
${\dot{V}}_{O_{2}}$ (l min⁻¹ )	0.49 ± 0.04	0.55 ± 0.05	2.62 ± 0.16	3.51 ± 0.19*	3.43 ± 0.20	4.51 ± 0.23*
${\dot{V}}_{C O_{2}}$ (l min⁻¹)	0.42 ± 0.04	0.46 ± 0.04	2.63 ± 0.17	3.37 ± 0.15*	3.80 ± 0.21	4.80 ± 0.23*
RER	0.88 ± 0.08	0.88 ± 0.08	1.00 ± 0.02	0.96 ± 0.03	1.11 ± 0.02	1.07 ± 0.03
V _E (l min⁻¹)	14.8 ± 1.2	15.2 ± 1.2	67.7 ± 4.8	91.1 ± 4.8*	109.0 ± 8.0	146.1 ± 9.1*
V _T (litres)	0.82 ± 0.04	0.95 ± 0.06*	2.24 ± 0.15	3.03 ± 0.21*	2.82 ± 0.18	3.40 ± 0.17*
RR (breaths min⁻¹)	17.2 ± 2.2	16.4 ± 1.6	28.8 ± 3.1	30.8 ± 1.8	36.8 ± 4.3	43.3 ± 2.3
V _A (litres)	6.68 ± 0.26	7.55 ± 0.31*	6.67 ± 0.20	7.49 ± 0.26*	6.87 ± 0.22	7.64 ± 0.29*
Q (l min⁻¹)	7.6 ± 0.4	7.2 ± 0.4	17.5 ± 1.2	20.0 ± 1.3*	19.9 ± 1.2	22.2 ± 1.7*
SV (ml)	99 ± 5	108 ± 8	119 ± 7	126 ± 9	117 ± 8	123 ± 9
HR (breaths min⁻¹)	77 ± 3	68 ± 4*	147 ± 5	159 ± 4*	173 ± 6	179 ± 3
DLCO/V _A	5.1 ± 0.3	5.0 ± 0.2	7.4 ± 0.4	7.2 ± 0.3	7.4 ± 0.3	7.7 ± 0.3
V _C/V _A	12.9 ± 0.8	13.5 ± 0.6	18.8 ± 1.5	18.9 ± 0.9	20.8 ± 1.6	20.3 ± 1.2
D _M/V _A	11.4 ± 1.0	10.3 ± 0.9	16.6 ± 1.3	16.7 ± 1.8	14.8 ± 1.4	18.2 ± 1.8*
DLCO/Q	4.6 ± 0.3	5.4 ± 0.3*	2.9 ± 0.2	2.9 ± 0.1	2.6 ± 0.2	2.7 ± 0.2
V _C/Q	11.4 ± 0.9	14.4 ± 0.9*	7.21 ± 0.5	7.36 ± 0.6	7.3 ± 0.6	6.9 ± 0.4
D _M/Q	10.3 ± 1.2	10.9 ± 0.9	6.8 ± 0.5	6.6 ± 0.6	5.1 ± 0.4	6.6 ± 0.9*

Values are the mean ± SE. PO, power output; V _E, minute ventilation; V _T, tidal volume; RR, respiratory rate; SV, stroke volume; HR, heart rate. *Significantly greater than the LO‐Fit group (P < 0.05).