Originally Posted by cutthroat22
Just to be clear I used the bottom of the machine not the upper rack pull part but the sticking part for me with real deads is the bottom. I had 190kg on lock then one day doing 200kg my back went, now I've got such a mental issue with them. I need to strengthen my lower back for sure, I took a pic yesterday and my upper back is decently muscled but my lower back just looks weak.
Just try superman's basically the reverse of a sit up! Hyperextensions (Back Extensions) are very good as well!
Both should help to build up your lower back and also there is good mornings (Personally don't like good mornings)