Table 2.

Oxygen uptake, fat oxidation rate, and respiratory exchange ratio at rest and two different workloads before and after the interventions.

Groups	Tests	Variables	Rest	4 km/h	5 km/h
Exercise group (n = 15)	Before	VO2 (mL/min)	340 ± 33	1204 ± 195	1352 ± 165
		Fat oxidation rate (g/min)	0.08 ± 0.09	0.22 ± 0.06	0.14 ± 0.10
		RER	0.87 ± 0.15	0.89 ± 0.03	0.94 ± 0.05
	After	VO2 (mL/min)	291 ± 42*	987 ± 114**	1164 ± 150**
		Fat oxidation rate (g/min)	0.07 ± 0.03	0.32 ± 0.11*	0.28 ± 0.08**
		RER	0.84 ± 0.08	0.81 ± 0.07**	0.85 ± 0.04**
Control group (n = 11)	Before	VO2 (mL/min)	328 ± 71	1011 ± 115	1291 ± 208
		Fat oxidation rate (g/min)	0.11 ± 0.06	0.28 ± 0.09	0.22 ± 0.10
		RER	0.80 ± 0.08	0.83 ± 0.04	0.89 ± 0.05
	After	VO2 (mL/min)	308 ± 59	1122 ± 205	1335 ± 201
		Fat oxidation rate (g/min)	0.10 ± 0.04	0.32 ± 0.10	0.18 ± 0.20
		RER	0.79 ± 0.08	0.83 ± 0.05	0.91 ± 0.09

Data are presented as mean ± standard deviation.

*p < 0.05.

**p < 0.01 before and after FATmax training.

FATmax = maximal fat oxidation; RER = respiratory exchange ratio (=VCO₂/VO₂); VO₂ = oxygen uptake.