This exercise leads to the full bridge and can be loaded by practicing with single leg variations. (allthingsstrength.com)
If you want to maximize strength, size, speed or endurance in your legs, you should integrate single - legged variations into your training program, if you haven't already. (fitnessandpower.com)
After that I'd switch over to the one leg variation on either a parallel or 45 degree angled bench. (onnit.com)