7. Dog stairs
Climbing steps together will sculpt your legs and help your pup burn off his breakfast.
How to: Leash your pooch and pick a long staircase, either in your house, or perhaps the bleachers at a nearby school. Go up and down the stairs with your pet by your side, and vary the way you step for a more challenging workout: Take steps two at a time, widen your stance so you step up in a "V," run up the steps sideways, and more.