M mileyfan_22 Guest Jan 20, 2009 #1 Which one is better to burn calories? and i do have problems with my knees. all i can do in all is like 30 minutes of exercise, that's the only time i have, what should i do? thanks. Best answer rewarded.
Which one is better to burn calories? and i do have problems with my knees. all i can do in all is like 30 minutes of exercise, that's the only time i have, what should i do? thanks. Best answer rewarded.
