By eHow Sports & Fitness Editor
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Oblique twists are used to strengthen and tone the muscles along the sides of your stomach. They are one of the most effective ways to tighten the problem areas of your stomach, though it is important to remember that is generally ineffective to focus on just one part of your stomach, or body for that matter. Incorporating oblique twists into a full-body workout routine is the best way to see results.
eHow Sports & Fitness Editor