Side Planks are a must-do move if you want to build core stability and strength. Try these 20 Side Plank Variations to target your obliques and glutes and work your ENTIRE CORE! Take the 30-Day Killer Core Challenge --> https://goo.gl/Y1ocMP Whether you want to prevent injury, get a lean, strong core or even regain your core strength post-pregnancy, Side Planks are an important move to include. In this video, you'll find both modified and advanced variations to fit your needs and target the diff