How often should one do crunches?
With all other weight training I do... I do my set every other day. But I've heard some people say you can work your abs every day, even twice? My belly hurts like hell.
I'm nowhere near fit, I do around 40 crunches a day and it kills me. Where are some better people at?
Sorry to raise a dead thread but props to the search function in use, no?
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