Does this exercise ball work effectively for crunches?!

Question: Does this exercise ball work effectively for crunches!?

does anyone have experience with it!? If so, how many should i do daily!?

http://tinypic!.com/view!.php!?pic=1y3cpk&s!.!.!.Www@Answer-Health@Com

Answers:

Yes this will work effectively for crunches-and many other excercises as well!.

As to reps I do not know ehre you are at so basically would start with a set of 20 a day and work my way up by increasing by fives every week!.Www@Answer-Health@Com

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Does this exercise ball work effectively for crunches?!

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