
Many people tend to settle into a routine when it comes to cardio machines, doing essentially the same workout over and over. To keep seeing results, you need to mix it up–throw your body a curve ball and force it to adapt to something new and challenging.
Try this calorie-torching cardio treadmill circuit the next time you hit the gym. It’s only 27 minutes from start to finish (including cool down)!
| Minutes | Incline | Speed | Minutes | Incline | Speed | |
| 0-3 | 3 | 3.5 | 19-21 | 10 | 3.5 | |
| 3-5 | 2 | 5 | 21-22 | 2 | 6 | |
| 5-8 | 5 | 3.7 | 22-24 | 7 | 3.7 | |
| 8-10 | 2 | 5.2 | 24-25 | 2 | 5.5 | |
| 10-13 | 5 | 3.7 | 25-27 | 0 | 2.5 | |
| 13-15 | 2 | 5.5 | ||||
| 15-18 | 7 | 3.7 | ||||
| 18-19 | 2 | 5.5 |



