Why You Should Do Crunches And Sit Ups - 20 Ab Exercises

Sit Ups and Crunches have their place in a proper workout program. Check out these 20 Ab Exercises you should be including.

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Why You Should Do Crunches And Sit Ups - 20 Ab Exercises

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Why You Should Do Crunches And Sit Ups - 20 Ab Exercises

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