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How to Perform Abdominal Workout with an Exercise Ball
Description:One way to take your ab workout to another level is use an exercise ball for your crunches. Personal Trainer Kristen Kennedy, shows us how. (0:55)
Source: ICYOU.com
Tags: How to Perform Abdominal Workout with an Exercise , 6 Pack Abs Exercises , core exercises on the ball , Effective Ab Exercises