Plank Variations to Get Six-Pack Abs [VIDEO]
Change up your classic plank to build a strong and shredded core.
If you're looking to get a real workout for your abs, look no further than the plank. It's one of the most effective exercises, and the longer you hold, the harder the workout. To figure out how to make the best out of a plank, we asked Andy McDermott, a featured athlete in Muscle & Fitness magazine and owner of Iron Cross Fitness for his favorite variations for a strong core and shredded abs.