The Fitness Line Leg Extension/Leg Curl allows users to choose from 4 starting positions for both Leg Extension and seated Leg Curl exercises. • 5-position back pad and 6-position leg curl thigh pad to accommodate a wide range of users • Five starting positions for both extensions and curls allow users to choose the range of motion best suited to their individual needs • Self–adjusting ankle pad eliminates the need for an adjustment while providing proper support throughout the entire range of motion