Cable Russian Twists

core / cable / machine

Connect a standard handle attachment, and position the cable to a middle pulley position. Lie on a stability ball perpendicular to the cable and grab the handle with one hand. You should be approximately arm's length away from the pulley, with the tension of the weight on the cable. Grab the handle with both hands and fully extend your arms above your chest. You hands should be directly in-line with the pulley. If not, adjust the pulley up or down until they are.