Fitness and Exercise

[Assertn]

yes they do

http://de.youtube.com/watch?v=UEeJRiDJ69I

and i <3 em. if you do it like they do i m pretty sure u'll lose weight very fast ^^

Or you could be like this kid:
http://de.youtube.com/watch?v=4yk-ESYl7Bc&NR=1