It is a fun and easy way to exercise. But, after I used it for 15 minutes a day, my knees starting feeling stiff and were hurting. I bend my knees and stand straight. Am I doing something wrong? I WANT to use the fit board, but will my knees eventually go out, or is this exercise just strengthening my knees?
Bottom Line: Yes, I would recommend this to a friend
13 people found it helpful
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