25 minuets at a time.
ab glider
you don't use the ab coaster. Diet and exercise are the only way to achieve maximum results with maximum results.
500
I have seen them on ebay...
no - very simple & easy. 20 miutes tops
ab crunches work out your ab muscles.
running, squats, surgical band work, lunges, long toss, ab workouts, long toss, etc
Ab Ripper X which is made by.... P90X
no the ab doer is a total ripoff
No.
No, because then you will earn more calories and it will be more work.
yes you should yes ab work is always necessary yes you should yes ab work is always necessary