Nick Nilsson on Instagram: "Rack GHR With a 45 degree Hyperextension Bench - you may have seen these with a flat bench. This gives you MUCH greater range of motion under load. The Glute-Ham Raise bench is one of the BEST pieces of equipment you can use for developing the posterior chain (the powerful muscles that run down the back side of the body...i.e. lower back, glutes, and hamstrings). These muscles are the true power source of your body and are critical for squats, deadlifts, and all forms