How the Stealth Core Trainer Makes Exercising Different
Im not sure I agree, but its definitely effective. I tried it out to see how well it would work. And I hate it. Stealth Body Fitness So, yeah, it works great. You dont even have to move; you just lay there, holding yourself above the floor. Stealth provides some convenient videos that show you the proper form for this exercise. Stealth Body Fitness And I did, often, but thats unrelated....