The Cybex Eagle glute is a perfect machine for both beginners & athletes who want to focus on training the buttocks. It offers curvilinear movement that encourages gluteal involvement without the need to align the hip joint. in addition, it delivers knee extension to allow full gluteal training & eliminate hamstring cramping. The amount of knee extension can be fine-tuned by the user with the adjustable foot bar that makes the machine suitable for users of different heights. The machine is equipped with adjustable abdominal support pad that ensures correct posture & does not put undue stress on the back. A gas spring assist enables easy adjustment to account for individual needs. The machine comes with a 138kg (305lbs) weight stack.