The kettlebell is the ultimate workout tool and has been increasing in popularity in recent years among athletes, fitness enthusiasts, martial artists and not to mention fitness classes.  Kettlebell training can deliver an unparalleled, full body workout by increasing strength, endurance, agility and balance - challenging both the muscular and cardio system with dynamic total-body movements.  If you're looking to burn fat, develop your cardio fitness or strength it can all be done with a kettlebell