She's invented a new way to use the treadmill.
Watch the guy in the background!
If you love treadmills and riding bikes then this contraption is for you!
Wanna know what happens if you get smacked in the face while running on a treadmill? Watch!
Some girl is dancing to the Barbie song while she is working out on a treadmill. You would think the people on each side would notice.
People will try those damn exercise balls on everything...lol I don't think he got the workout he was looking for.
I'm amazed that people keep trying this stunt with so many fails out there on the web.
This is for when you get bored with plain old walking.
This kid shows off some tricks on a treadmill. What an idiot.
It was a smooth ride but then...