This 6 MIN KILLER AB WORKOUT is an Extremely Hard Ab Workout, and it requires No Equipment. All you need is 6 minutes, a mat, and YOU! This ab workout is a killer, and I’m sure you’re going to crush it. The goal is to stay off your knees the entire time while keeping your core engaged. I set the timer to go off every 30 seconds on each transition. This ab workout will try to bring you to your knees but don’t let it. LET’S WORK!

Very brutal went down twice finished the rest of the work out it was very hard