The Advanced Movement Design™ of the Discovery™ Series Selectorized Line Diverging Lat Pulldown features independent movement arms and ergonomically shaped rotating handles. This allows for natural user-defined movement, greater variety, and increased muscular involvement."Proprietary Handle Design" Our independent, user-defined handle design allows for various natural user positions during the full range of motion. The slip-resistant handles are ergonomically shaped to optimize grip with less forearm fatigue. The independent movement arms move in a diverging motion, providing a more natural feel, greater range of motion, and variety in exercise movement patterns. Adjustable roller pads and a gas-assisted ratcheting seat adjustment help accommodate a wide variety of user sizes.