Table 2.
Relative exercise intensity (%VO), respiratory exchange ratio (RER) and absolute oxygen uptake (VO) for the five stages of the incremental treadmill test. Values are mean (±SE) for men (n = 28) and women (n = 18).
Stage 1
Stage 2
Stage 3
Stage 4
Stage 5
% VO2max
Men
33.6 (1.3)
38.4 (1.6)
44.3 (1.7)
50.5 (1.7)
58.7 (1.7)
Women
36.1 (2.0)
42.4 (2.4)
46.8 (2.9)
51.7 (2.9)
57.7 (3.9)
RER
Men
.84 (.01)
.86 (.01)
.89 (.01)
.92 (.01)
.95 (.00)
Women
.85 (.01)
.88 (.01)
.91 (.01)
.93 (.01)
.95 (.01)
VO2 (l·min
-1
)
Men
1.05 (.050)
1.198 (.062)
1.384 (.066)
1.579 (.075)
1.842 (.082)
Women
.738 (.048)
**
.863 (.053)
**
.951 (.059)
**
1.052 (.06)*
1.172 (.077)
**
** p < 0.01 from Men.