Table 4. Positions of ergometer cycle work rates used to determine the HR-VO₂ relations in males and females and responses to them in per cent of VO_2max, heart rate reserve and per cent of HR_max, as well as RPE of legs and breathing during test 1 in the laboratory (mean ± SD).

	Responses to ergometer cycle work rates
Sex	Males (n = 9)				Females (n = 10)
Work rates	100 W	150 W	194 ± 11 W	Maximal	50 W	100 W	140 ± 13 W	Maximal
Per cent of maximal oxygen uptake	37.9 ± 5.6	53.1 ± 7.5	69.1 ± 10.2	100	32.4 ± 2.1	56.1 ± 4.9	75.0 ± 7.7	100
Per cent of heart rate reserve	32.2 ± 3.9	50.6 ± 9.6	68.9 ± 9.6	0	29.4 ± 4.5	52.3 ± 4.7	74.3 ± 7.4	0
Per cent of maximal heart rate	56.1 ± 2.1	68.0 ± 5.8	79.9 ± 6.1	100	54.2 ± 3.6	69.1 ± 2.9	83.4 ± 4.7	100
Rated perceived exertion, legs	11.1 ± 1.3	12.7 ± 1.2	15.0 ± 1.1	18.4 ± 1.0	9.3 ± 1.7	12.5 ± 0.8	14.8 ± 0.9	17.8 ± 1.0
Rated perceived exertion, breathing	11.6 ± 1.2	12.8 ± 1.9	14.6 ± 1.7	18.3 ± 1.2	9.1 ± 1.7	12.4 ± 1.1	14.5 ± 1.0	18.8 ± 1.1