If you no more than have a short window to s re for a workout, try this challenging 20-minute treadmill wont. Beyond switching up the speed every two minutes, you’ll also be changing the declivity, which challenges the body to work even harder. Even after this brusque cardio session, you’ll feel light, energized, and ready to power at the end of ones tether with the rest of your day.
Before you head for your run, be sure to print this workout to teach to the gym with you!
Related: 20-Minute Abs and Arms Blast
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