The Cybex Eagle NX seated leg curl with start RLD lets you strengthen & work primarily your hamstrings but also other leg muscles such as your calves & thighs. This fitness machine is of the highest quality & has a Range Limiting Device (RLD) & an angled back pad that users can adjust easily with one-h&, ensuring excellent comfort & stability & decreased tension in the hamstrings. The weight machine is easy to use & features a lower leg pad that improves comfort during each repetition, & the position indicators & instruction placards will help get users started & working out correctly.