Workout

[Erni]

Please note that I said if you back is
super weak then see a specialist.

As for deadlift not working the core? Not sure how that is possible, since in order to move weight you have to get tight as hell in the trunk. Set the valsava, aka squeeze your trunk, which involves tightening the snot out of my back and stomach and the rest of the trunk.

I bow to further knowledge.