Is anyone actually using the Bender Ball that can give us their opinion? I am thinking about trying one, but don't have money to waste. And I know it just an opinion...but does it help? I haven't seen a small ball at Wal-Mart. Do I need to look again?
I remember (years ago!!) holding my boyfriends feet as he did sit-ups on the edge of the bed. So he went back, not flat, like they show on the ball. And he had a great set of abs!
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