Nick Nilsson on Instagram: "Reverse Hyper Setup Hack using a band and a Roman Chair. If you've never done reverse hypers (not every gym has a Reverse Hyper machine), you're missing out on a fantastic exercise for strengthening, decompressing and rehabbing the lower back. Basically, you're anchoring your upper body while raising your lower body up and back. At the bottom, the lower back gets nicely unloaded. The reverse hyperextension was invented by Louie Simmons to help heal a serious back inju