How long do I have to do crunches to get any effect?

How long should I do crunches to get any effect? When in the day? etc

Answer #1

Are you trying to lose weight or put on muscle. Besides crunches only build the top portion of your abdomen. You should also alternate leg raises into the mix so your lower abs get some work in. If your back starts to hurt then stop and rest some because that means your abs cannot constrict anymore.

Answer #2

youll need to do them at least 3-4 times a week and keep it up reguarly for at least a month to see results and in the morning before youve eating is one of the best times to do exercise

Answer #3

I do 400-600 a day and I got results. it hurts a lot the next day though

Answer #4

Well I do 100 everyday or 20 and hr. every hour and drink a lot of water. It helps

Answer #5

probably for 10 minutes, 5 times a day, for about a month

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