No pain, no gain. We're not exactly the biggest fans of this philosophy, but when it comes down to losing weight and becoming lean and trim, exercise is the only way to look great. Check out this fitness video to learn how to do ab rockers that'll contract your ab muscles quickly for a tight, strong midsection.
Oh, and a great side effect of getting strong abs? A stomach that looks flat and trim under a shirt or with a bikini.
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