This plank challenge is going to set your core on fire! In fact, after you finish this routine your entire midsection is going to feel a lot more tightened. After a few weeks of doing it consistently with proper diet, you’ll be able to trim a few inches off your waistline.
This plank challenge has 5 different variations, all hitting the obliques, upper and lower abdominal region. After you complete this routine you can add 7 to 10 minutes of extra cardio increase your overall calorie burn.