I agree with the strength training mentioned here, but I also found out I was sitting wrong. I always had my hips tilted too far forward, as if I was slightly s

I agree with the strength training mentioned here, but I also found out I was sitting wrong. I always had my hips tilted too far forward, as if I was slightly slouching. Often made me hunch my upper back and my lower back would ache if I worked for too long. I forget where I learned it, so unfortunately I can't provide professional guided advice, but I saw an article about sitting better and making sure your hips aren't too far forward or back. It took some getting used to as I had been sitting poorly for years. I needed time for certain things to stretch a bit so that it became natural, but now I've even had compliments on my posture while sitting. Getting a split keyboard helped too. Being able to spread the two halves prevented my shoulders from pinching together in the front.