Watch the guy in the background!
Wanna know what happens if you get smacked in the face while running on a treadmill? Watch!
These cats don't know what to make of a treadmill.
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.
She's invented a new way to use the treadmill.
The treadmill just falls all apart while hes running on it.
Arizona Cardinals rookie Robert Gill runs 25 MPH on a treadmill. Damn that's fast!
This kid shows off some tricks on a treadmill. What an idiot.
People will try those damn exercise balls on everything...lol I don't think he got the workout he was looking for.
Another dude tries to attempt a stunt on a treadmill.