Easy entry onto the Discovery™ Series Selectorized Line Prone Leg Curl allows users to align their knee joint with the pivot for proper exercise mechanics. The ankle roller pad adjusts for varying leg lengths and ensures smooth, optimal resistance. The Prone Leg Curl features an open design that allows for easy entry, ensuring the user aligns their knee joint with pivot for proper exerciser mechanics. The ankle roller pads easily and quickly adjust to match any leg length of the users. The angled pad helps ensure proper position, minimizing stress on the lower back.