Is it effective to work out your abs by flexing them throughout the day? - Quora

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What muscles make you bigger? - Quora

What are the best exercise to get visible Abs? What type of diet should we choose to get visible Abs? - Quora

What are the lower abs exercises for a strong core? - Quora

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Is it possible to work out just one part of your abs? - Quora

Can a 14-year-old boy get six-pack abs after training? - Quora

If I can only see my abs when I flex them, what should I do differently? (pic) - Martial Arts Message Board - GameFAQs

What muscle do you use to flex? - Quora

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