From Laura, Age 14 - 02/16/06 - IP#: 67.83.87.xxx Click here to reply
Ht. 5'5, Wt. 180 - Is 20 minutes on the tredmill walking burning almost 300 cals w/ 170 crunches 30 pushups and dancing for a lil? How many cals does crunches burn?
Reply from Lindsey, Age 10 - 02/17/06 - IP#: 207.200.116.xxx Darn, that is a little too much of a workout! Well, for me anyway... I am definatly NOT in shape!
Reply from Kaylie, Age 15 - 02/17/06 - IP#: 24.207.41.xxx Crunches burn about 100 calories per hour.
Reply from charlotte, Age 15 - 02/16/06 - IP#: 71.112.39.xxx they don't burn much but they give u a tight good looking stomach
