Many lifters are so obsessed with the amount of weight they lift they totally neglect the TuT. The vintage spinal erector exercises are deadlifts and front squats. You can do dumbbell Romanian deadlifts, and that might help. You can even do goblet squats. That should help, too. But these dumbbell https://arthurcdtec.blogminds.com/rumored-buzz-on-dumbbell-set-and-rack-30557503