
Workout week at-a-glance
Day 1
endurance-boosting combo 1
Day 2
hard-core combo 1
Day 3
aerobic fat burner
Day 4
hard-core combo 2
Day 5
endurance-boosting combo 2
CARDIO WORKOUT #1: Fire It Up
The payoff This treadmill program helps build power and increases your anaerobic threshold, so you can work at a higher intensity for a longer period of time.
| Workout time | RPE |
| 1 min., 30 sec. | 6 |
| 30 sec. | 8 |
| 1 min., 30 sec. | 6 |
| 30 sec. | 8 |
| 1 min., 30 sec. | 6 |
| 30 sec. | 8 |
| 1 min., 30 sec. | 6 |
| 30 sec. | 8 |
| 1 min., 30 sec. | 6 |
| 30 sec. | 8 |
| 10 min. TOTAL Total calorie burn: 115* | |
CARDIO WORKOUT #2: Lower-Body Burn-Off
The payoff This program -- which you can do on a treadmill or a bike -- helps build stamina and leg strength.
| Workout time | RPE |
| 1 min. | 6 |
| 1 min., 30 sec. | 7 |
| 2 min. | 8 |
| 1 min. | 9 |
| 2 min. | 8 |
| 1 min., 30 sec. | 7 |
| 1 min. | 6 |
| 10 min. TOTAL Total calorie burn: 133 | |
CARDIO WORKOUT #3: Body Blast
The payoff Do this program on the treadmill or elliptical trainer to build cardiovascular strength and stamina and increase your aerobic threshold.
| Workout time | RPE |
| 1 min. | 5 |
| 1 min., 45 sec. | 7 |
| 15 sec. | 9 |
| 1 min. | 5 |
| 1 min., 45 sec. | 7 |
| 15 sec. | 9 |
| 1 min. | 5 |
| 1 min., 45 sec. | 7 |
| 15 sec. | 9 |
| 1 min. | 5 |
| 10 min. TOTAL Total calorie burn: 129 | |
*Calorie burn is for a 145-pound woman.








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