Middlebrook's number one dumbbell move is the Turkish get-up. As a full-body stability and strength exercise, it works your shoulders, chest, core, and lower body. Pay very strict attention to your form, she says, because it's a very technical move.
Take It For A Walk
Lace up your sneakers and take your dumbbell for a walk — no, really. You'll increase your grip strength (grocery run, anyone?) and improve your cardio system all at the same time.