Table 1. Descriptive characteristics of all subjects, and for male and female sub-groups. Values are means (±SD).

	Males (n=36)	Females (n=20)	All (n=56)
Age (years)	42.1 (10.7)	37.7 (11.9)	40.5 (11.2)
Mass (kg)	81.4 (11.3)	63.1 (5.9) **	74.8 (13.1)
HRmax(beat·min-1)	175 (11)	177 (10)	176 (11)
VO2max (L·min-1)	4.5 (.6)	3.2 (.5) **	4.1 (.41)
VO2max (ml·kg-1·min-1)	56.2 (9.6)	51.3 (8.6)	54.5 (9.5)
O2max (ml·kg-1·beat-1)	.321 (.056)	.289 (.041) *	.310 (.053)
Power at VO2max (Watts·kg-1)	4.4 (.7)	4.2 (.6)	4.4 (.7)
Power at [La-]4mmol	3.1 (.6)	2.9 (.5)	3.0 (.6)

* and ** denote p < 0.05 andp < 0.01 using a Student -test for unpaired samples of equal variance