Date:   9/29/2004 10:26:09 PM ( 21 y ago)
Hits:   2,540
URL:   https://www.curezone.org/forums/fm.asp?i=565170

From all that I have read, none of the machines are as useful as manual. Exercise balls are supposed to be the only device worth using with sit-ups. Crunches on exercise ball and captain's chairs are scientifically proven to be the best. Also, vaccuum stomach suchs are good for internal muscles to give you a flat stomach. Stay away from the machines for abs for sure. At best they do about 90% of what you can do without them.
 

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