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I agree that ab exercises on a stability ball are excellent, they work the entire core. Crunches on a declined bench also really target the abs, I always feel a good burn when I do these. But when done in proper form, the old standard floor exercises using your own body weight are good, too. If you're looking for actual workouts, you can find excellent downloadable ones specifically for abs and core... http://www.mybodybeats.com/workouts/details/102 | |||||||