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

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Why do my abs usually look more defined in the morning? - Quora

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Today was my second day of going to the gym, today I did back and biceps and my biceps already look bigger. Why is that? - Quora

When working out, is it better to hold your stomach in to workout your abs? - Quora

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How often should I work on my abs? - Quora

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