How crunches give your body so much more than strong abs

Here's why crunches are so good for your overall health.
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What’s inside the largest Crunch Fitness in Fresno?

FRESNO, Calif. (KSEE/KGPE) – The new Crunch Fitness made its big public reveal on Thursday, in a space on Blackstone Avenue that used to be a Big Lots. The gym is described as “one of the largest, if ...