If you're not already incorporating medicine balls or kettlebells into your workout, it's time to give them a shot. Lucky for you, Shape has put together a list of five essential moves to make the most of these super-powered workout tools.
These weights will improve your coordination and strengthen your core — all while building muscle. So, if your tried-and-true fitness routine has become something of a snoozefest, you won't need much convincing to test out these workout boosters. (Shape)