Use this 12-minute full body circuit workout to get in some quick cardio!The moves we chose for this workout are some of the most effective calorie burners. Burpees, mountain climbers, squats, and push ups raise your heart rate while activating major muscle groups.

Use this 12-minute full body circuit workout to get in some quick cardio!The moves we chose for this workout are some of the most effective calorie burners. Burpees, mountain climbers, squats, and push ups raise your heart rate while activating major muscle groups.