Coaches Corner: Lockdown that Torso! Coach Shaun of CrossFit Tidal Wave goes over how to lock down the torso to lift more using core stabilization. The often-missed point of keeping a tight core is to stabilize the spine. If you’re constantly hurting your back, this is for you. I’ve seen lifters hurt their backs from just bench-pressing because they had no understanding of spine stabilization. Before you tune out and write this off as another pre-hab article, pay attention to this – proper spine (core) stabilization coupled with breathing techniques can actually help you lift more weight and improve performance.