Super Plank Workout (Premium) : Exercises to Score Sexy Abs Fast

The plank can strengthen your core, fix poor posture, and reduce lower-back pain. But as you’re hovering there, why not make the move do double duty? These five awesome plank variations provide all the benefits of the classic core-sculpting move, while also chiseling bigger arms, building a broader back, skyrocketing your heartrate, or increasing your flexibility.
Do this exercise routine daily to help you build up your muscles to their maximum potential.