Brace your core, then pull the dumbbell towards your rib cage, squeezing your shoulder blades alongside one another. The vintage spinal erector exercises are deadlifts and entrance squats. You are able to do dumbbell Romanian deadlifts, and that might help. You may also do goblet squats. That might help, also. https://hammerstrengthdumbbells91122.humor-blog.com/32198064/not-known-factual-statements-about-hammer-strength-dumbbells