Table 2.

Exercise data at the end of the 6 min protocols with and without EFL

	Control exercise	EFL exercise
Work rate (W)	111 ± 36	109 ± 30
	2.08 ± 0.31	1.93 ± 0.42
	2.14 ± 0.38	1.88 ± 0.49*
fc (beats min−1 )	152 ± 19	163 ± 19*
	59.8 ± 10.2	38.8 ± 15.1*
VT (l)	2.08 ± 0.48	2.05 ± 0.45
fb (breaths min−1)	29 ± 5	19 ± 3*
Ti (s)	1.00 ± 0.10	0.85 ± 0.15
Te (s)	1.15 ± 0.23	2.02 ± 0.43*
Ti/Tot (%)	46 ± 5	31 ± 4*

Values are means ± SD

oxygen uptake; carbon dioxide output; f_c, cardiac frequency; minute ventilation; V_T, tidal volume; f_b, breathing frequency; T_i, inspiratory time; T_e, expiratory time; T_i/Tot, duty cycle

*Significant differences (P < 0.05) between EFL and control exercise