Table 1.
Stage | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
---|---|---|---|---|---|---|---|---|---|
MPH | Sit | Stand | 1.8 | 2.5 | 3.0 | 3.5 | 4.5 | 4.5 | Sit |
Grade (%) | N/A | N/A | 0 | 5 | 0 | 7.5 | 0 | 2.5 | N/A |
Duration (min) | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 5 |
Walking | Running |
Subjects always started and ended with a sitting stage. The initial work stage of the four walking and two running stages was always executed in a random order, and a given stage was terminated if the subject exceeded 85% of the age-predicted maximum heart rate