Period

O2 Consumption (Litres)

Heart Rate (bpm)

 

Constant (50%)

Interval (70%:30%)

Constant (50%)

Interval (70%:30%)

Pre (0-2 min)

0.31

(0.24 – 0.38)

0.30

(0.22-0.38)

63.61

(58.17-69.05)

66.29

(60.81- 71.77)

Warm Up
(2-4 min)

0.81

(0.68 - 0.95)

0.84

(0.68 - 0.99)

73.19

(68.69 - 77.68)

74.97

(70.26 - 79.69)

Exercise
(4-24 min)

21.46

(17.26 - 25.65)

22.67

(18.93 - 26.42)

104.65

(100.25 - 109.05)

105.56

(100.89 - 110.23)

Cool Down
(24-26 min)

1.60

(1.30 - 1.89)

1.52

(1.20 - 1.76)

98.78

(94.16 - 103.40)

96.97

(91.04 - 102.91)

Post
(26-46 min)

4.15

(3.26 - 5.04)

4.64

(3.62 - 5.66)

73.75

(68.47 - 79.03)

74.21

(69.11 - 79.31)

Table 1: Oxygen consumption and heart rate during the five phases of gas collection for constant and interval protocols presented as means (95% CI).