Table 3: Oxygen Uptake and Ventilatory Responses.

Factor

Rest

0035

3035

0050

3050

VO2 (mL/kg/min)

3.6 ± 0.7

15.5 ± 2.4a,c

14.4 ± 2.7a,d

19.3 ± 2.9a,b,c,d

15.5 ± 2.0a,b

MET

1.0 ± 0.2

4.4 ± 0.7a,c

4.1 ± 0.8a,d

5.5 ± 0.8a,b,c,d

4.4 ± 0.6a,b

VE (L/min)

7.9 ± 1.8

23.4 ± 6.0a,c

22.9 ± 5.9a,d

29.7 ± 8.1a,b,c,d

25.9 ± 6.4a,b,d

RER

0.86 ± 0.09

0.81 ± 0.04c

0.82 ± 0.03d

0.87 ± 0.04c,d

0.86 ± 0.04c

RR (br/min)

17.2 ± 3.8

22.5 ± 5.9a

25.1 ± 6.2a

24.1 ± 6.0a

26.7 ± 5.2a

TV (L)

0.57 ± 0.21

1.34 ± 0.66a,c

1.10 ± 0.33a,d

1.55 ± 0.69a,c,d

1.13 ± 0.22a

KEY: VO2: oxygen uptake; MET: Metabolic Equivalents; VE: Minute Ventilation; RER: Respiratory Exchange Ratio; RR: Respiratory Rate; TV: Tidal Volume; 0035 = 0% BWS/35% VO2 max; 3035 = 30% BWS/35% VO2 max; 0050 = 0% BWS/50% VO2 max; 3050 = 30% BWS/50% VO2 max

asignificantly different (p < 0.05) from rest; bsignificantly different (p < 0.05) between BWS within %VO2 max; csignificantly different (p < 0.05) 0035 vs. 0050 and/or 3050; dsignificantly different (p < 0.05) 3035 vs. 0050 and/or 3050