Slowly prolong your arms down, get an entire selection of motion, and permit a little bit stretch at the bottom. The traditional spinal erector exercises are deadlifts and front squats. You are able to do dumbbell Romanian deadlifts, Which will help. You may also do goblet squats. That should help, https://hammer-strength-dumbbell60146.bligblogging.com/33926591/the-definitive-guide-to-dumbbell-set-and-rack