The 14 Best Ab Exercises for a Rock Solid Core

The best ab exercises are not the ones you see in most magazines. Here are 14 smarter ab exercises for a rock solid core without hurting your back.

The 14 Best Ab Exercises for a Rock Solid Core

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The 14 Best Ab Exercises for a Rock Solid Core

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The 14 Best Ab Exercises for a Rock Solid Core

The 14 Best Ab Exercises for a Rock Solid Core

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