Content of CR | treadmill | bicycle ergometer | bicycle ergometer |
Duration of CR per session | 30 minutes | 30 minutes | 30 minutes |
Sessions of CR | twice a day5 days/wk, 12 wks | twice a day5 days/wk, 6 wks | once a day5 days/wk, 8 wks |
Exercise Intensity (Borg RPE scale) | 13-14 | 15-16 | 13 |
Exercise Intensity | | | |
at initial | 1.3 km/h, 0% inclination | Resistance level 1, 30 RPM | Resistance level 1, 30 RPM |
at the end of session | 3.5 km/h, 6% inclination | Resistance level 3, 50 RPM | Resistance level 3, 40 RPM |
Changes of peak VO2 | | | |
Initial peak VO2 | 11.9 | 10.1 | - |
Final peak VO2 | 15.0 | 12.6 | 8.1 |
Term between CPX | 12 weeks | 2 years | - |
Changes of METs | | | |
Initial METs | 3.4 | 2.9 | - |
Final METs | 4.3 | 3.6 | 2.3 |