TABLE 1
Bruce Protocol (
6
)
Stage
Minutes
% grade
km/h
mph
Metabolic equivalents
1
3
10
2.7
1.7
5
2
6
12
4.0
2.5
7
3
9
14
5.4
3.4
10
4
12
16
6.7
4.2
13
5
15
18
8.0
5.0
15
6
18
20
8.8
5.5
18
7
21
22
9.6
6.0
20