Table 1

Respiratory and Metabolic values at rest


Placebo
1.5 CAF
3.0 CAF

VE (L·min-1)
13.4 ± 3.1
13.3 ± 2.3
14.2 ± 3.0
Bf (breaths·min-1)
16.2 ± 4.6
14.6 ± 2.4
16.6 ± 3.9
VT (L·breath-1)
0.93 ± 0.26
0.99 ± 0.20
0.95 ± 0.18
VO2(ml·kg-1·min-1)
5.2 ± 0.8
5.6 ± 1.0
5.7 ± 0.8
RER
0.89 ± 0.08
0.86 ± 0.09
0.84 ± 0.09*

Values listed as mean ± SD. VE, ventilation; Bf, breathing frequency; VT, tidal volume; VO2, oxygen consumption; RER, respiratory exchange ratio. PLA, placebo; 1.5 and 3.0 represent dose of caffeine in mg·kg body weight-1. * Significantly different from placebo (p < 0.05).

McClaran and Wetter Journal of the International Society of Sports Nutrition 2007 4:11   doi:10.1186/1550-2783-4-11