The reverse hyper-extension is a weight training exercise that targets the muscles of the lower back, glutes, and hamstrings. It is typically performed using a reverse hyper-extension machine or a similar piece of equipment. 

To perform the exercise, you will need to lie facedown on the machine with your hips on the padded platform and your feet anchored to the footrests. From there, you will need to lift your legs up and back toward your body, using the muscles of your lower back and glutes to initiate the movement. Be sure to keep your hips and legs straight and avoid rounding your lower back during the exercise. It's also important to use a weight that is challenging but manageable and to avoid using momentum to lift the weight.

The reverse hyper-extension is an important exercise for strengthening and stabilizing the muscles of the lower back and hips. These muscles are crucial for maintaining good posture and preventing injuries during activities such as lifting, twisting, and bending. 

By performing the reverse hyper-extension regularly, you can help to improve your core stability and reduce your risk of lower back pain and other injuries.