High-intensity interval training accelerates oxygen uptake kinetics and improves exercise tolerance for individuals with cystic fibrosis

Table 2 Pre-/post-training measurements during the incremental cycling test to the limit of tolerance for the O2+ and AMB groups

	O2+		AMB		Time	Group x Time
	Pre	Post	Pre	Post	P	P
V̇O_2peak (ml^.kg^− 1LBM^.min^− 1)	32 ± 11	34 ± 11	32 ± 5	34 ± 11	0.387	0.963
WR_peak (W)	117 ± 59	131 ± 70	121 ± 71	137 ± 101	0.080	0.883
HR_peak (beats^.min^− 1)	167 ± 19	166 ± 19	159 ± 30	158 ± 22	0.866	0.929
Peak RER	1.1 ± 0.1	1.1 ± 0.0	1.1 ± 0.1	1.1 ± 0.1	0.933	0.783
V̇_Epeak (L^.min^− 1)	71 ± 27	72 ± 36	63 ± 29	61 ± 28	0.842	0.694
V_Tpeak (L)	1.6 ± 0.8	1.5 ± 0.9	1.6 ± 0.9	1.7 ± 1.3	0.757	0.672
Peak BR (breaths^.min^− 1)	49 ± 9	49 ± 9	44 ± 12	43 ± 13	0.908	0.706
Peak SpO₂%	93 ± 4	90 ± 7*	93 ± 6	91 ± 5*	0.021	0.240
Peak [Lactate] (mmol^. L^− 1)	6.2 ± 1.8	6.3 ± 2.5	6.4 ± 3.2	6.1 ± 2.2	0.762	0.704
Peak RPE	15.4 ± 2.5	15.6 ± 3.1	16.0 ± 1.4	16.5 ± 1.0	0.407	0.717
Peak dyspnea	6.6 ± 2.1	6.2 ± 2.4	6.0 ± 1.8	6.3 ± 1.0	0.879	0.515

Values are presented as mean ± SD. V̇O_2peak peak rate of oxygen uptake, RER Respiratory exchange ratio, V̇_Epeak peak rate of minute ventilation, V_Tpeak peak tidal volume, BR Breathing rate, SpO₂ peripheral capillary O₂ saturation, [lactate] blood lactate concentration, RPE Rating of perceived exertion, * = significantly different from pre-training value within group (P < 0.05)

ISSN: 2052-1847