People will try those damn exercise balls on everything...lol I don't think he got the workout he was looking for.
This is for when you get bored with plain old walking.
Cover up and work out of course!
She's invented a new way to use the treadmill.
If you love treadmills and riding bikes then this contraption is for you!
It's been done a 1000 times and 1000 times its always the same.