Cybex 425T Treadmill Owner’s Manual
Program Overview
Page B-16
Cardio (P-8)
Program Overview
This program was designed for the exercise participant who wants to improve the overall effi ciency of
their cardio-respiratory system. Unlike some of the other treadmill programs that incorporate low and
moderate intensity segments, the Cardio program contains overall higher intensity levels with more
moderate recovery segments.
The speed range of the program includes walking speeds at the lower levels up through a moderate jog
in the higher levels.
Elevation is used to emphasize the high intensity portion of this program while decreased elevation and a
small increase in speed mark the recovery segment. High intensity and recovery segments are always in
a one-to-one time based ratio and make up the core eight minutes of the program. See table below and
Figure 8.
Base Speed / Peak Elevation Base Speed / Peak Elevation
mph % grade mph % grade
Level 1 3.2 2% 3.5 0%
2 3.5 3% 3.8 0%
3 3.8 4% 4.0 0%
4 4.0 5% 4.2 0%
5 4.2 5% 5.0 2%
6 5.0 5% 5.5 2%
7 5.5 5% 5.8 2%
8 6.0 6% 6.2 2%
9 6.2 6% 6.5 2%
10 6.5 6% 6.8 2%
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