A reverse hyperextension machine, also known as an RH machine or a reverse hyper, is an exercise machine that provides spinal decompression and strengthening of the posterior chain muscles — erector ...

Life is about balance, and in a world where we are constantly bending over to pick things up in our day-to-day lives and in the gym, the reverse hyper extension keeps us balanced. This is a great ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? A glute-hamstring developer, commonly known as a GHD machine, is a large, ...