If you've ever been the fortunate owner of a herding dog, then you know how much exercise they need. Australian shepherds, border collies and Shetland sheepdogs would herd your bag of groceries if given the chance.

So what's a tired owner to do with their energetic pup at the end of a long day at the office? Set your pooch up on the treadmill. Here's how it's done:

This sheltie's trainer clearly means business -- no resting of the back legs allowed. (Hopefully, she at least lets the pretty pup watch Animal Planet.)

If you can train your dog to jog on the treadmill, you can certainly justify those table scraps you just can't help but share with your best friend -- and perhaps keep him from herding the mailman.

Follow us on Facebook and Twitter to read them first!

The Rock Thanks The Iron Sheik