From AnGiE, Age 13 - 06/07/03 - IP#:  Click here to reply  
How long does it take to tighten my abs when doin sit ups?
Reply from karissa, Age 12 - 07/26/03  - IP#:
It depends on how many you do!
My suggestion is to do about 40 or 50 a day.
By doing this every day your abs should be tight
in about 1 month.If you have any suggestions for me,
please go to my name and tell me them.Good Luck,girl!
Reply from From a friend, Age 10 - 06/08/03  - IP#:
Probably 20 days.