Planks protect your back, improve posture, and give you that nice, flat tummy look too! I’m going to teach you all kinds of plank progressions and variations, from beginner planks to advanced planks.
Read MorePerhaps nothing says "sleek" better than a flat midsection. But in the ever-elusive quest to get that rippled, defined "six-pack," Americans are spending millions of dollars on all kinds of abdominal gadgets, supplements, diets and creams. Save your money. All you need for a flat and hard tummy is to eat right, sweat, and crunch!
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