Many lifters are so obsessed with the level of weight they raise which they absolutely neglect the TuT. The classic spinal erector exercises are deadlifts and front squats. You can do dumbbell Romanian deadlifts, Which might help. It's also possible to do goblet squats. That might help, way too. But https://hammer-strength-dumbbells25666.blogdal.com/33761492/a-secret-weapon-for-back-exercises-with-dumbbells