Back injuries can be a pain. I suggest you start trainning at a much lower weight (50-60%) and then work your way but up to your max. I know too many people who rushed back to work/lifting and now have chronic back issues, but i'm sure you have been told that already
yes. I started out with a plate a couple weeks ago. Then 185. Then 225 today for 5 sets of 10. S'all good if I don't struggle to get out of bed tomorrow. Small increases over next weeks.