If you’ve ever tried carrying an aquarium full of water, you’ll know that not only is the stuff heavy, but it’s also difficult to keep from sloshing back and forth. The Attitube, a relatively new fitness training device, takes advantage of those qualities to build core stability. Designed by Canadian former professional wrestler and present-day strength and stability coach Larry Brun, the Attitube is a simply a clear hollow tube with water inside. You use it like you would a barbell or dumbbell, with the motion of the water adding an extra challenge for your core muscles.
Read the full article: Attitube builds core strength with water motion resistance