From me, Age 15 - 07/29/03 - IP#: 195.93.50.xxx Click here to reply
is 20 mins on a bike a day and 50 situps (adding 10 more a weeek) enough exercise
Reply from melissa, Age 14 - 07/29/03 - IP#: 67.73.142.xxx ya thats pretty good but you can always add too that if you want thats what I do now i do an hour on the bike and just 20 mins for situps I like riding my bike better.
Reply from Jackie, Age 14 - 07/29/03 - IP#: 12.250.208.xxx well im not sure, but I would usually do 30 minutes, but since you do situps 20 minutes is probably just as good! :-)
