Plank (exercise)

Side plank Balance on one forearm and the side of one foot with the body in a straight line, and hold. Your trunk carries much of your posture and balance on the snow, and the side plank works the sides of the trunk and the outer hip together, the muscles that keep you stacked over your edges instead of folding at the waist. Build toward three holds of a minute a side; once that is steady, add slow clamshells with the top knee to bring the glutes in.