Conduct a pushup and then perform a vintage renegade row with Each and every with the dumbbells back one at a time. The basic spinal erector exercises are deadlifts and entrance squats. You are able to do dumbbell Romanian deadlifts, Which should help. It's also possible to do goblet squats. https://rafaelghfec.jts-blog.com/29876528/a-simple-key-for-hammer-strength-dumbbell-rack-unveiled