Table 1.
Intensity zones for the traditional, metabolic power approaches and HR-based method.
Zones
Traditional approach
(km·h
-1
)
Metabolic power approach
(W·Kg
-1
)
HR based method
(%HR
max
)
1
0-6
0-10
< 71
2
6-10.2
10-20
71-78
3
10.2-14.4
20-35.5
78-85
4
HSR
Zone
14.4-19.8
HMP
Zone
35.5-55
HHRE
Zone
85-92
5
19.8-24.9
> 55
> 92
6
> 24.9
MP: metabolic power; %HR
max
: percentage of maximal heart rate; HSR: high speed running; HMP: high metabolic power; HHRE: high heart rate exertion.