A tip of that hat to our American cousins for pointing us in the direction of this video.
For it shows a pit bull puppy - called Bandit - who doesn't quite understand a) treadmills and b) his own limitations. Bless!
(And if you're wondering why there are quite so many pit bulls hanging out in a gym - well, that's because Peace, Love and Pit Bulls, a dog rescue organisation in Las Vegas, uses treadmills to exercise them.)
Of course, it's not just dogs who get flummoxed by treadmills - as this recent video from The Poke proved: