The reverse hyper is one of the best pieces of equipment around for strengthening the posterior chain: the hamstrings, glutes and lower back.
Westside's Louie Simmons invented it, so you'll see it a lot in hardcore powerlifting gyms. And today many CrossFit boxes are adding them. There are several ways to use the machine – unilaterally, bilaterally, swinging or strict – but in the video here we'll just go over the basic function.
When many of us think of perfect physiques, we think of those belonging to Golden Age bodybuilders. These champions of the past were muscular, strong, healthy, and athletic. It's cliche but it's true: women wanted them; men wanted to be them.