Successive exposure to moderate hypoxia does not affect glucose metabolism and substrate oxidation in young healthy men

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Table 1 Respitatory gas parameters

		1 h	2 h	3 h	4 h	5 h	6 h	7 h	Average
$\dot{V} O 2$ (ml/min)	Normoxia	254 ± 10	268 ± 12	267 ± 15	266 ± 18	282 ± 13*	271 ± 11	294 ± 17*	272 ± 13
$\dot{V} O 2$ (ml/min)	Hypoxia	251 ± 15	278 ± 15*	291 ± 19*†	272 ± 15	285 ± 17*	291 ± 13*	272 ± 9	277 ± 14
$\dot{V} CO 2$ (ml/min)	Normoxia	211 ± 10	222 ± 10	221 ± 12	224 ± 16	244 ± 14*	239 ± 10*	260 ± 12*	232 ± 11
$\dot{V} CO 2$ (ml/min)	Hypoxia	198 ± 14	225 ± 15	241 ± 17*†	234 ± 15*	246 ± 16*	256 ± 11*†	245 ± 9	235 ± 13
$\dot{V} E$ (ml/min)	Normoxia	8.5 ± 0.4	7.9 ± 0.4	8.0 ± 0.5	8.6 ± 0.7	8.6 ± 0.6	9.0 ± 0.4	9.6 ± 0.4	8.6 ± 0.4
$\dot{V} E$ (ml/min)	Hypoxia	8.7 ± 0.5	9.1 ± 0.5*	10.0 ± 0.5*†	9.9 ± 0.6*†	10.4 ± 0.6*†	10.4 ± 0.4	10.1 ± 0.5*	9.8 ± 0.5†
RER	Normoxia	0.83 ± 0.02	0.82 ± 0.01	0.83 ± 0.01	0.84 ± 0.01	0.86 ± 0.02	0.88 ± 0.02	0.89 ± 0.03	0.85 ± 0.01
RER	Hypoxia	0.78 ± 0.02	0.81 ± 0.02	0.83 ± 0.02	0.86 ± 0.02*	0.85 ± 0.02*	0.88 ± 0.01*	0.89 ± 0.01*	0.85 ± 0.01